20153173664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{2309}}^1\times {\mathrm{20981}}^1$

素因数の和:23313

約数の個数: 48

約数和(自身を含む): 42749146440

約数和(自身を除く): 22595972776

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 2309, 4618, 9236, 18472, 20981, 30017, 36944, 41962, 60034, 73888, 83924, 120068, 167848, 240136, 272753, 335696, 480272, 545506, 671392, 960544, 1091012, 2182024, 4364048, 8728096, 48445129, 96890258, 193780516, 387561032, 629786677, 775122064, 1259573354, 1550244128, 2519146708, 5038293416, 10076586832, 20153173664]

約数ペア:

[(1, 20153173664), (2, 10076586832), (4, 5038293416), (8, 2519146708), (13, 1550244128), (16, 1259573354), (26, 775122064), (32, 629786677), (52, 387561032), (104, 193780516), (208, 96890258), (416, 48445129), (2309, 8728096), (4618, 4364048), (9236, 2182024), (18472, 1091012), (20981, 960544), (30017, 671392), (36944, 545506), (41962, 480272), (60034, 335696), (73888, 272753), (83924, 240136), (120068, 167848)]