20106955648

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{31063}}^1$

素因数の和:31479

約数の個数: 64

約数和(自身を含む): 43250407200

約数和(自身を除く): 23143451552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 389, 416, 778, 832, 1556, 1664, 3112, 5057, 6224, 10114, 12448, 20228, 24896, 31063, 40456, 49792, 62126, 80912, 124252, 161824, 248504, 323648, 403819, 497008, 647296, 807638, 994016, 1615276, 1988032, 3230552, 3976064, 6461104, 12083507, 12922208, 24167014, 25844416, 48334028, 51688832, 96668056, 157085591, 193336112, 314171182, 386672224, 628342364, 773344448, 1256684728, 1546688896, 2513369456, 5026738912, 10053477824, 20106955648]

約数ペア:

[(1, 20106955648), (2, 10053477824), (4, 5026738912), (8, 2513369456), (13, 1546688896), (16, 1256684728), (26, 773344448), (32, 628342364), (52, 386672224), (64, 314171182), (104, 193336112), (128, 157085591), (208, 96668056), (389, 51688832), (416, 48334028), (778, 25844416), (832, 24167014), (1556, 12922208), (1664, 12083507), (3112, 6461104), (5057, 3976064), (6224, 3230552), (10114, 1988032), (12448, 1615276), (20228, 994016), (24896, 807638), (31063, 647296), (40456, 497008), (49792, 403819), (62126, 323648), (80912, 248504), (124252, 161824)]