20185920020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1258

約数の個数: 192

約数和(自身を含む): 52729657344

約数和(自身を除く): 32543737324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 68, 70, 85, 94, 119, 140, 170, 181, 188, 235, 238, 329, 340, 362, 470, 476, 595, 658, 724, 799, 905, 940, 997, 1190, 1267, 1316, 1598, 1645, 1810, 1994, 2380, 2534, 3077, 3196, 3290, 3620, 3988, 3995, 4985, 5068, 5593, 6154, 6335, 6580, 6979, 7990, 8507, 9970, 11186, 12308, 12670, 13958, 15385, 15980, 16949, 17014, 19940, 21539, 22372, 25340, 27916, 27965, 30770, 33898, 34028, 34895, 42535, 43078, 46859, 55930, 59549, 61540, 67796, 69790, 84745, 85070, 86156, 93718, 107695, 111860, 118643, 119098, 139580, 144619, 169490, 170140, 180457, 187436, 215390, 234295, 237286, 238196, 289238, 297745, 328013, 338980, 360914, 430780, 468590, 474572, 578476, 593215, 595490, 656026, 721828, 723095, 796603, 902285, 937180, 1012333, 1186430, 1190980, 1263199, 1312052, 1446190, 1593206, 1640065, 1804570, 2024666, 2372860, 2526398, 2892380, 3067769, 3186412, 3280130, 3609140, 3983015, 4049332, 5052796, 5061665, 5576221, 6135538, 6315995, 6560260, 7966030, 8481479, 10123330, 11152442, 12271076, 12631990, 15338845, 15932060, 16962958, 20246660, 21474383, 22304884, 25263980, 27881105, 30677690, 33925916, 42407395, 42948766, 55762210, 59370353, 61355380, 84814790, 85897532, 107371915, 111524420, 118740706, 144185143, 169629580, 214743830, 237481412, 288370286, 296851765, 429487660, 576740572, 593703530, 720925715, 1009296001, 1187407060, 1441851430, 2018592002, 2883702860, 4037184004, 5046480005, 10092960010, 20185920020]

約数ペア:

[(1, 20185920020), (2, 10092960010), (4, 5046480005), (5, 4037184004), (7, 2883702860), (10, 2018592002), (14, 1441851430), (17, 1187407060), (20, 1009296001), (28, 720925715), (34, 593703530), (35, 576740572), (47, 429487660), (68, 296851765), (70, 288370286), (85, 237481412), (94, 214743830), (119, 169629580), (140, 144185143), (170, 118740706), (181, 111524420), (188, 107371915), (235, 85897532), (238, 84814790), (329, 61355380), (340, 59370353), (362, 55762210), (470, 42948766), (476, 42407395), (595, 33925916), (658, 30677690), (724, 27881105), (799, 25263980), (905, 22304884), (940, 21474383), (997, 20246660), (1190, 16962958), (1267, 15932060), (1316, 15338845), (1598, 12631990), (1645, 12271076), (1810, 11152442), (1994, 10123330), (2380, 8481479), (2534, 7966030), (3077, 6560260), (3196, 6315995), (3290, 6135538), (3620, 5576221), (3988, 5061665), (3995, 5052796), (4985, 4049332), (5068, 3983015), (5593, 3609140), (6154, 3280130), (6335, 3186412), (6580, 3067769), (6979, 2892380), (7990, 2526398), (8507, 2372860), (9970, 2024666), (11186, 1804570), (12308, 1640065), (12670, 1593206), (13958, 1446190), (15385, 1312052), (15980, 1263199), (16949, 1190980), (17014, 1186430), (19940, 1012333), (21539, 937180), (22372, 902285), (25340, 796603), (27916, 723095), (27965, 721828), (30770, 656026), (33898, 595490), (34028, 593215), (34895, 578476), (42535, 474572), (43078, 468590), (46859, 430780), (55930, 360914), (59549, 338980), (61540, 328013), (67796, 297745), (69790, 289238), (84745, 238196), (85070, 237286), (86156, 234295), (93718, 215390), (107695, 187436), (111860, 180457), (118643, 170140), (119098, 169490), (139580, 144619)]