20110513910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{2797}}^1$

素因数の和:3597

約数の個数: 64

約数和(自身を含む): 38718231552

約数和(自身を除く): 18607717642

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 727, 989, 1454, 1978, 2797, 3635, 4945, 5594, 7270, 9890, 13985, 16721, 27970, 31261, 33442, 62522, 64331, 83605, 120271, 128662, 156305, 167210, 240542, 312610, 321655, 601355, 643310, 719003, 1202710, 1438006, 2033419, 2766233, 3595015, 4066838, 5532466, 7190030, 10167095, 13831165, 20334190, 27662330, 46768637, 87437017, 93537274, 174874034, 233843185, 437185085, 467686370, 874370170, 2011051391, 4022102782, 10055256955, 20110513910]

約数ペア:

[(1, 20110513910), (2, 10055256955), (5, 4022102782), (10, 2011051391), (23, 874370170), (43, 467686370), (46, 437185085), (86, 233843185), (115, 174874034), (215, 93537274), (230, 87437017), (430, 46768637), (727, 27662330), (989, 20334190), (1454, 13831165), (1978, 10167095), (2797, 7190030), (3635, 5532466), (4945, 4066838), (5594, 3595015), (7270, 2766233), (9890, 2033419), (13985, 1438006), (16721, 1202710), (27970, 719003), (31261, 643310), (33442, 601355), (62522, 321655), (64331, 312610), (83605, 240542), (120271, 167210), (128662, 156305)]