20149955920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{106321}}^1$

素因数の和:106460

約数の個数: 80

約数和(自身を含む): 49360626432

約数和(自身を除く): 29210670512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 103, 115, 184, 206, 230, 368, 412, 460, 515, 824, 920, 1030, 1648, 1840, 2060, 2369, 4120, 4738, 8240, 9476, 11845, 18952, 23690, 37904, 47380, 94760, 106321, 189520, 212642, 425284, 531605, 850568, 1063210, 1701136, 2126420, 2445383, 4252840, 4890766, 8505680, 9781532, 10951063, 12226915, 19563064, 21902126, 24453830, 39126128, 43804252, 48907660, 54755315, 87608504, 97815320, 109510630, 175217008, 195630640, 219021260, 251874449, 438042520, 503748898, 876085040, 1007497796, 1259372245, 2014995592, 2518744490, 4029991184, 5037488980, 10074977960, 20149955920]

約数ペア:

[(1, 20149955920), (2, 10074977960), (4, 5037488980), (5, 4029991184), (8, 2518744490), (10, 2014995592), (16, 1259372245), (20, 1007497796), (23, 876085040), (40, 503748898), (46, 438042520), (80, 251874449), (92, 219021260), (103, 195630640), (115, 175217008), (184, 109510630), (206, 97815320), (230, 87608504), (368, 54755315), (412, 48907660), (460, 43804252), (515, 39126128), (824, 24453830), (920, 21902126), (1030, 19563064), (1648, 12226915), (1840, 10951063), (2060, 9781532), (2369, 8505680), (4120, 4890766), (4738, 4252840), (8240, 2445383), (9476, 2126420), (11845, 1701136), (18952, 1063210), (23690, 850568), (37904, 531605), (47380, 425284), (94760, 212642), (106321, 189520)]