20621844

素因数分解:

$2^2\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2417}}^1$

素因数の和:2509

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 33541356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 108, 158, 237, 316, 474, 711, 948, 1422, 2133, 2417, 2844, 4266, 4834, 7251, 8532, 9668, 14502, 21753, 29004, 43506, 65259, 87012, 130518, 190943, 261036, 381886, 572829, 763772, 1145658, 1718487, 2291316, 3436974, 5155461, 6873948, 10310922, 20621844]

約数ペア:

[(1, 20621844), (2, 10310922), (3, 6873948), (4, 5155461), (6, 3436974), (9, 2291316), (12, 1718487), (18, 1145658), (27, 763772), (36, 572829), (54, 381886), (79, 261036), (108, 190943), (158, 130518), (237, 87012), (316, 65259), (474, 43506), (711, 29004), (948, 21753), (1422, 14502), (2133, 9668), (2417, 8532), (2844, 7251), (4266, 4834)]