20163399980

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{463}}^1\times {\mathrm{6869}}^1$

素因数の和:7658

約数の個数: 48

約数和(自身を含む): 42574654080

約数和(自身を除く): 22411254100

約数列:

[1, 2, 4, 5, 10, 20, 317, 463, 634, 926, 1268, 1585, 1852, 2315, 3170, 4630, 6340, 6869, 9260, 13738, 27476, 34345, 68690, 137380, 146771, 293542, 587084, 733855, 1467710, 2177473, 2935420, 3180347, 4354946, 6360694, 8709892, 10887365, 12721388, 15901735, 21774730, 31803470, 43549460, 63606940, 1008169999, 2016339998, 4032679996, 5040849995, 10081699990, 20163399980]

約数ペア:

[(1, 20163399980), (2, 10081699990), (4, 5040849995), (5, 4032679996), (10, 2016339998), (20, 1008169999), (317, 63606940), (463, 43549460), (634, 31803470), (926, 21774730), (1268, 15901735), (1585, 12721388), (1852, 10887365), (2315, 8709892), (3170, 6360694), (4630, 4354946), (6340, 3180347), (6869, 2935420), (9260, 2177473), (13738, 1467710), (27476, 733855), (34345, 587084), (68690, 293542), (137380, 146771)]