20284476

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 51004800

約数和(自身を除く): 30720324

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2069, 2451, 3268, 4138, 4902, 6207, 8276, 9804, 12414, 24828, 39311, 78622, 88967, 117933, 157244, 177934, 235866, 266901, 355868, 471732, 533802, 1067604, 1690373, 3380746, 5071119, 6761492, 10142238, 20284476]

約数ペア:

[(1, 20284476), (2, 10142238), (3, 6761492), (4, 5071119), (6, 3380746), (12, 1690373), (19, 1067604), (38, 533802), (43, 471732), (57, 355868), (76, 266901), (86, 235866), (114, 177934), (129, 157244), (172, 117933), (228, 88967), (258, 78622), (516, 39311), (817, 24828), (1634, 12414), (2069, 9804), (2451, 8276), (3268, 6207), (4138, 4902)]