20218072576

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{3673}}^1$

素因数の和:4531

約数の個数: 80

約数和(自身を含む): 43568555184

約数和(自身を除く): 23350482608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 827, 832, 1654, 1664, 3308, 3328, 3673, 6616, 6656, 7346, 10751, 13232, 14692, 21502, 26464, 29384, 43004, 47749, 52928, 58768, 86008, 95498, 105856, 117536, 172016, 190996, 211712, 235072, 344032, 381992, 423424, 470144, 688064, 763984, 940288, 1376128, 1527968, 1880576, 2752256, 3037571, 3055936, 5504512, 6075142, 6111872, 12150284, 12223744, 24300568, 24447488, 39488423, 48601136, 78976846, 97202272, 157953692, 194404544, 315907384, 388809088, 631814768, 777618176, 1263629536, 1555236352, 2527259072, 5054518144, 10109036288, 20218072576]

約数ペア:

[(1, 20218072576), (2, 10109036288), (4, 5054518144), (8, 2527259072), (13, 1555236352), (16, 1263629536), (26, 777618176), (32, 631814768), (52, 388809088), (64, 315907384), (104, 194404544), (128, 157953692), (208, 97202272), (256, 78976846), (416, 48601136), (512, 39488423), (827, 24447488), (832, 24300568), (1654, 12223744), (1664, 12150284), (3308, 6111872), (3328, 6075142), (3673, 5504512), (6616, 3055936), (6656, 3037571), (7346, 2752256), (10751, 1880576), (13232, 1527968), (14692, 1376128), (21502, 940288), (26464, 763984), (29384, 688064), (43004, 470144), (47749, 423424), (52928, 381992), (58768, 344032), (86008, 235072), (95498, 211712), (105856, 190996), (117536, 172016)]