20163089980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1729253}}^1$

素因数の和:1729326

約数の個数: 48

約数和(自身を含む): 47063376864

約数和(自身を除く): 26900286884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 1729253, 3458506, 6917012, 8646265, 17292530, 19021783, 34585060, 38043566, 76087132, 91650409, 95108915, 183300818, 190217830, 366601636, 380435660, 458252045, 916504090, 1008154499, 1833008180, 2016308998, 4032617996, 5040772495, 10081544990, 20163089980]

約数ペア:

[(1, 20163089980), (2, 10081544990), (4, 5040772495), (5, 4032617996), (10, 2016308998), (11, 1833008180), (20, 1008154499), (22, 916504090), (44, 458252045), (53, 380435660), (55, 366601636), (106, 190217830), (110, 183300818), (212, 95108915), (220, 91650409), (265, 76087132), (530, 38043566), (583, 34585060), (1060, 19021783), (1166, 17292530), (2332, 8646265), (2915, 6917012), (5830, 3458506), (11660, 1729253)]