20003218912

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{184777}}^1$

素因数の和:185003

約数の個数: 48

約数和(自身を含む): 41907650400

約数和(自身を除く): 21904431488

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 199, 272, 398, 544, 796, 1592, 3184, 3383, 6368, 6766, 13532, 27064, 54128, 108256, 184777, 369554, 739108, 1478216, 2956432, 3141209, 5912864, 6282418, 12564836, 25129672, 36770623, 50259344, 73541246, 100518688, 147082492, 294164984, 588329968, 625100591, 1176659936, 1250201182, 2500402364, 5000804728, 10001609456, 20003218912]

約数ペア:

[(1, 20003218912), (2, 10001609456), (4, 5000804728), (8, 2500402364), (16, 1250201182), (17, 1176659936), (32, 625100591), (34, 588329968), (68, 294164984), (136, 147082492), (199, 100518688), (272, 73541246), (398, 50259344), (544, 36770623), (796, 25129672), (1592, 12564836), (3184, 6282418), (3383, 5912864), (6368, 3141209), (6766, 2956432), (13532, 1478216), (27064, 739108), (54128, 369554), (108256, 184777)]