20807763704

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{24919}}^1$

素因数の和:25013

約数の個数: 128

約数和(自身を含む): 50908569600

約数和(自身を除く): 30100805896

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 37, 52, 56, 62, 74, 91, 104, 124, 148, 182, 217, 248, 259, 296, 364, 403, 434, 481, 518, 728, 806, 868, 962, 1036, 1147, 1612, 1736, 1924, 2072, 2294, 2821, 3224, 3367, 3848, 4588, 5642, 6734, 8029, 9176, 11284, 13468, 14911, 16058, 22568, 24919, 26936, 29822, 32116, 49838, 59644, 64232, 99676, 104377, 119288, 174433, 199352, 208754, 323947, 348866, 417508, 647894, 697732, 772489, 835016, 922003, 1295788, 1395464, 1544978, 1844006, 2267629, 2591576, 3089956, 3688012, 4535258, 5407423, 6179912, 6454021, 7376024, 9070516, 10042357, 10814846, 11986039, 12908042, 18141032, 20084714, 21629692, 23972078, 25816084, 28582093, 40169428, 43259384, 47944156, 51632168, 57164186, 70296499, 80338856, 83902273, 95888312, 114328372, 140592998, 167804546, 200074651, 228656744, 281185996, 335609092, 371567209, 400149302, 562371992, 671218184, 743134418, 800298604, 1486268836, 1600597208, 2600970463, 2972537672, 5201940926, 10403881852, 20807763704]

約数ペア:

[(1, 20807763704), (2, 10403881852), (4, 5201940926), (7, 2972537672), (8, 2600970463), (13, 1600597208), (14, 1486268836), (26, 800298604), (28, 743134418), (31, 671218184), (37, 562371992), (52, 400149302), (56, 371567209), (62, 335609092), (74, 281185996), (91, 228656744), (104, 200074651), (124, 167804546), (148, 140592998), (182, 114328372), (217, 95888312), (248, 83902273), (259, 80338856), (296, 70296499), (364, 57164186), (403, 51632168), (434, 47944156), (481, 43259384), (518, 40169428), (728, 28582093), (806, 25816084), (868, 23972078), (962, 21629692), (1036, 20084714), (1147, 18141032), (1612, 12908042), (1736, 11986039), (1924, 10814846), (2072, 10042357), (2294, 9070516), (2821, 7376024), (3224, 6454021), (3367, 6179912), (3848, 5407423), (4588, 4535258), (5642, 3688012), (6734, 3089956), (8029, 2591576), (9176, 2267629), (11284, 1844006), (13468, 1544978), (14911, 1395464), (16058, 1295788), (22568, 922003), (24919, 835016), (26936, 772489), (29822, 697732), (32116, 647894), (49838, 417508), (59644, 348866), (64232, 323947), (99676, 208754), (104377, 199352), (119288, 174433)]