20785116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1$

素因数の和:3042

約数の個数: 48

約数和(自身を含む): 53923968

約数和(自身を除く): 33138852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 132, 159, 212, 318, 583, 636, 1166, 1749, 2332, 2971, 3498, 5942, 6996, 8913, 11884, 17826, 32681, 35652, 65362, 98043, 130724, 157463, 196086, 314926, 392172, 472389, 629852, 944778, 1732093, 1889556, 3464186, 5196279, 6928372, 10392558, 20785116]

約数ペア:

[(1, 20785116), (2, 10392558), (3, 6928372), (4, 5196279), (6, 3464186), (11, 1889556), (12, 1732093), (22, 944778), (33, 629852), (44, 472389), (53, 392172), (66, 314926), (106, 196086), (132, 157463), (159, 130724), (212, 98043), (318, 65362), (583, 35652), (636, 32681), (1166, 17826), (1749, 11884), (2332, 8913), (2971, 6996), (3498, 5942)]