20235531392

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1861}}^1$

素因数の和:2174

約数の個数: 128

約数和(自身を含む): 45125942400

約数和(自身を除く): 24890411008

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 263, 272, 304, 323, 526, 544, 608, 646, 1052, 1088, 1216, 1292, 1861, 2104, 2176, 2432, 2584, 3722, 4208, 4471, 4997, 5168, 7444, 8416, 8942, 9994, 10336, 14888, 16832, 17884, 19988, 20672, 29776, 31637, 33664, 35359, 35768, 39976, 41344, 59552, 63274, 70718, 71536, 79952, 84949, 119104, 126548, 141436, 143072, 159904, 169898, 238208, 253096, 282872, 286144, 319808, 339796, 489443, 506192, 565744, 572288, 601103, 639616, 679592, 978886, 1012384, 1131488, 1202206, 1359184, 1957772, 2024768, 2262976, 2404412, 2718368, 3915544, 4049536, 4525952, 4808824, 5436736, 7831088, 8320531, 9299417, 9617648, 10873472, 15662176, 16641062, 18598834, 19235296, 31324352, 33282124, 37197668, 38470592, 62648704, 66564248, 74395336, 76941184, 133128496, 148790672, 158090089, 266256992, 297581344, 316180178, 532513984, 595162688, 632360356, 1065027968, 1190325376, 1264720712, 2529441424, 5058882848, 10117765696, 20235531392]

約数ペア:

[(1, 20235531392), (2, 10117765696), (4, 5058882848), (8, 2529441424), (16, 1264720712), (17, 1190325376), (19, 1065027968), (32, 632360356), (34, 595162688), (38, 532513984), (64, 316180178), (68, 297581344), (76, 266256992), (128, 158090089), (136, 148790672), (152, 133128496), (263, 76941184), (272, 74395336), (304, 66564248), (323, 62648704), (526, 38470592), (544, 37197668), (608, 33282124), (646, 31324352), (1052, 19235296), (1088, 18598834), (1216, 16641062), (1292, 15662176), (1861, 10873472), (2104, 9617648), (2176, 9299417), (2432, 8320531), (2584, 7831088), (3722, 5436736), (4208, 4808824), (4471, 4525952), (4997, 4049536), (5168, 3915544), (7444, 2718368), (8416, 2404412), (8942, 2262976), (9994, 2024768), (10336, 1957772), (14888, 1359184), (16832, 1202206), (17884, 1131488), (19988, 1012384), (20672, 978886), (29776, 679592), (31637, 639616), (33664, 601103), (35359, 572288), (35768, 565744), (39976, 506192), (41344, 489443), (59552, 339796), (63274, 319808), (70718, 286144), (71536, 282872), (79952, 253096), (84949, 238208), (119104, 169898), (126548, 159904), (141436, 143072)]