20415698768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{50753}}^1$

素因数の和:51603

約数の個数: 40

約数和(自身を含む): 40882550016

約数和(自身を除く): 20466851248

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 811, 1622, 3244, 6488, 12976, 25141, 50282, 50753, 100564, 101506, 201128, 203012, 402256, 406024, 812048, 1573343, 3146686, 6293372, 12586744, 25173488, 41160683, 82321366, 164642732, 329285464, 658570928, 1275981173, 2551962346, 5103924692, 10207849384, 20415698768]

約数ペア:

[(1, 20415698768), (2, 10207849384), (4, 5103924692), (8, 2551962346), (16, 1275981173), (31, 658570928), (62, 329285464), (124, 164642732), (248, 82321366), (496, 41160683), (811, 25173488), (1622, 12586744), (3244, 6293372), (6488, 3146686), (12976, 1573343), (25141, 812048), (50282, 406024), (50753, 402256), (100564, 203012), (101506, 201128)]