20348710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1680

約数の個数: 32

約数和(自身を含む): 38755584

約数和(自身を除く): 18406874

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1601, 2542, 3202, 6355, 8005, 12710, 16010, 49631, 65641, 99262, 131282, 248155, 328205, 496310, 656410, 2034871, 4069742, 10174355, 20348710]

約数ペア:

[(1, 20348710), (2, 10174355), (5, 4069742), (10, 2034871), (31, 656410), (41, 496310), (62, 328205), (82, 248155), (155, 131282), (205, 99262), (310, 65641), (410, 49631), (1271, 16010), (1601, 12710), (2542, 8005), (3202, 6355)]