20178651896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{540461}}^1$

素因数の和:540839

約数の個数: 32

約数和(自身を含む): 40858927200

約数和(自身を除く): 20680275304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 359, 718, 1436, 2872, 4667, 9334, 18668, 37336, 540461, 1080922, 2161844, 4323688, 7025993, 14051986, 28103972, 56207944, 194025499, 388050998, 776101996, 1552203992, 2522331487, 5044662974, 10089325948, 20178651896]

約数ペア:

[(1, 20178651896), (2, 10089325948), (4, 5044662974), (8, 2522331487), (13, 1552203992), (26, 776101996), (52, 388050998), (104, 194025499), (359, 56207944), (718, 28103972), (1436, 14051986), (2872, 7025993), (4667, 4323688), (9334, 2161844), (18668, 1080922), (37336, 540461)]