20530398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 50015232

約数和(自身を除く): 29484834

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 53, 69, 106, 138, 159, 161, 318, 322, 371, 401, 483, 742, 802, 966, 1113, 1203, 1219, 2226, 2406, 2438, 2807, 3657, 5614, 7314, 8421, 8533, 9223, 16842, 17066, 18446, 21253, 25599, 27669, 42506, 51198, 55338, 63759, 64561, 127518, 129122, 148771, 193683, 297542, 387366, 446313, 488819, 892626, 977638, 1466457, 2932914, 3421733, 6843466, 10265199, 20530398]

約数ペア:

[(1, 20530398), (2, 10265199), (3, 6843466), (6, 3421733), (7, 2932914), (14, 1466457), (21, 977638), (23, 892626), (42, 488819), (46, 446313), (53, 387366), (69, 297542), (106, 193683), (138, 148771), (159, 129122), (161, 127518), (318, 64561), (322, 63759), (371, 55338), (401, 51198), (483, 42506), (742, 27669), (802, 25599), (966, 21253), (1113, 18446), (1203, 17066), (1219, 16842), (2226, 9223), (2406, 8533), (2438, 8421), (2807, 7314), (3657, 5614)]