20164020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4049}}^1$

素因数の和:4144

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 36989580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4049, 4980, 8098, 12147, 16196, 20245, 24294, 40490, 48588, 60735, 80980, 121470, 242940, 336067, 672134, 1008201, 1344268, 1680335, 2016402, 3360670, 4032804, 5041005, 6721340, 10082010, 20164020]

約数ペア:

[(1, 20164020), (2, 10082010), (3, 6721340), (4, 5041005), (5, 4032804), (6, 3360670), (10, 2016402), (12, 1680335), (15, 1344268), (20, 1008201), (30, 672134), (60, 336067), (83, 242940), (166, 121470), (249, 80980), (332, 60735), (415, 48588), (498, 40490), (830, 24294), (996, 20245), (1245, 16196), (1660, 12147), (2490, 8098), (4049, 4980)]