20199291012

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{308801}}^1$

素因数の和:308913

約数の個数: 72

約数和(自身を含む): 53953885440

約数和(自身を除く): 33754594428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 79, 92, 138, 158, 207, 237, 276, 316, 414, 474, 711, 828, 948, 1422, 1817, 2844, 3634, 5451, 7268, 10902, 16353, 21804, 32706, 65412, 308801, 617602, 926403, 1235204, 1852806, 2779209, 3705612, 5558418, 7102423, 11116836, 14204846, 21307269, 24395279, 28409692, 42614538, 48790558, 63921807, 73185837, 85229076, 97581116, 127843614, 146371674, 219557511, 255687228, 292743348, 439115022, 561091417, 878230044, 1122182834, 1683274251, 2244365668, 3366548502, 5049822753, 6733097004, 10099645506, 20199291012]

約数ペア:

[(1, 20199291012), (2, 10099645506), (3, 6733097004), (4, 5049822753), (6, 3366548502), (9, 2244365668), (12, 1683274251), (18, 1122182834), (23, 878230044), (36, 561091417), (46, 439115022), (69, 292743348), (79, 255687228), (92, 219557511), (138, 146371674), (158, 127843614), (207, 97581116), (237, 85229076), (276, 73185837), (316, 63921807), (414, 48790558), (474, 42614538), (711, 28409692), (828, 24395279), (948, 21307269), (1422, 14204846), (1817, 11116836), (2844, 7102423), (3634, 5558418), (5451, 3705612), (7268, 2779209), (10902, 1852806), (16353, 1235204), (21804, 926403), (32706, 617602), (65412, 308801)]