20138206576

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{101741}}^1$

素因数の和:101977

約数の個数: 40

約数和(自身を含む): 39740425200

約数和(自身を除く): 19602218624

約数列:

[1, 2, 4, 8, 16, 89, 139, 178, 278, 356, 556, 712, 1112, 1424, 2224, 12371, 24742, 49484, 98968, 101741, 197936, 203482, 406964, 813928, 1627856, 9054949, 14141999, 18109898, 28283998, 36219796, 56567996, 72439592, 113135992, 144879184, 226271984, 1258637911, 2517275822, 5034551644, 10069103288, 20138206576]

約数ペア:

[(1, 20138206576), (2, 10069103288), (4, 5034551644), (8, 2517275822), (16, 1258637911), (89, 226271984), (139, 144879184), (178, 113135992), (278, 72439592), (356, 56567996), (556, 36219796), (712, 28283998), (1112, 18109898), (1424, 14141999), (2224, 9054949), (12371, 1627856), (24742, 813928), (49484, 406964), (98968, 203482), (101741, 197936)]