20730972

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 49774592

約数和(自身を除く): 29043620

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 127, 183, 223, 244, 254, 366, 381, 446, 508, 669, 732, 762, 892, 1338, 1524, 2676, 7747, 13603, 15494, 23241, 27206, 28321, 30988, 40809, 46482, 54412, 56642, 81618, 84963, 92964, 113284, 163236, 169926, 339852, 1727581, 3455162, 5182743, 6910324, 10365486, 20730972]

約数ペア:

[(1, 20730972), (2, 10365486), (3, 6910324), (4, 5182743), (6, 3455162), (12, 1727581), (61, 339852), (122, 169926), (127, 163236), (183, 113284), (223, 92964), (244, 84963), (254, 81618), (366, 56642), (381, 54412), (446, 46482), (508, 40809), (669, 30988), (732, 28321), (762, 27206), (892, 23241), (1338, 15494), (1524, 13603), (2676, 7747)]