20007930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 30753798

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 107, 115, 138, 214, 230, 271, 321, 345, 535, 542, 642, 690, 813, 1070, 1355, 1605, 1626, 2461, 2710, 3210, 4065, 4922, 6233, 7383, 8130, 12305, 12466, 14766, 18699, 24610, 28997, 31165, 36915, 37398, 57994, 62330, 73830, 86991, 93495, 144985, 173982, 186990, 289970, 434955, 666931, 869910, 1333862, 2000793, 3334655, 4001586, 6669310, 10003965, 20007930]

約数ペア:

[(1, 20007930), (2, 10003965), (3, 6669310), (5, 4001586), (6, 3334655), (10, 2000793), (15, 1333862), (23, 869910), (30, 666931), (46, 434955), (69, 289970), (107, 186990), (115, 173982), (138, 144985), (214, 93495), (230, 86991), (271, 73830), (321, 62330), (345, 57994), (535, 37398), (542, 36915), (642, 31165), (690, 28997), (813, 24610), (1070, 18699), (1355, 14766), (1605, 12466), (1626, 12305), (2461, 8130), (2710, 7383), (3210, 6233), (4065, 4922)]