20071842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 47775744

約数和(自身を除く): 27703902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 71, 106, 127, 142, 159, 213, 254, 318, 371, 381, 426, 497, 742, 762, 889, 994, 1113, 1491, 1778, 2226, 2667, 2982, 3763, 5334, 6731, 7526, 9017, 11289, 13462, 18034, 20193, 22578, 26341, 27051, 40386, 47117, 52682, 54102, 63119, 79023, 94234, 126238, 141351, 158046, 189357, 282702, 378714, 477901, 955802, 1433703, 2867406, 3345307, 6690614, 10035921, 20071842]

約数ペア:

[(1, 20071842), (2, 10035921), (3, 6690614), (6, 3345307), (7, 2867406), (14, 1433703), (21, 955802), (42, 477901), (53, 378714), (71, 282702), (106, 189357), (127, 158046), (142, 141351), (159, 126238), (213, 94234), (254, 79023), (318, 63119), (371, 54102), (381, 52682), (426, 47117), (497, 40386), (742, 27051), (762, 26341), (889, 22578), (994, 20193), (1113, 18034), (1491, 13462), (1778, 11289), (2226, 9017), (2667, 7526), (2982, 6731), (3763, 5334)]