20679948

素因数分解:

$2^2\times 3^4\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:868

約数の個数: 60

約数和(自身を含む): 54783960

約数和(自身を除く): 34104012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 249, 324, 332, 498, 747, 769, 996, 1494, 1538, 2241, 2307, 2988, 3076, 4482, 4614, 6723, 6921, 8964, 9228, 13446, 13842, 20763, 26892, 27684, 41526, 62289, 63827, 83052, 124578, 127654, 191481, 249156, 255308, 382962, 574443, 765924, 1148886, 1723329, 2297772, 3446658, 5169987, 6893316, 10339974, 20679948]

約数ペア:

[(1, 20679948), (2, 10339974), (3, 6893316), (4, 5169987), (6, 3446658), (9, 2297772), (12, 1723329), (18, 1148886), (27, 765924), (36, 574443), (54, 382962), (81, 255308), (83, 249156), (108, 191481), (162, 127654), (166, 124578), (249, 83052), (324, 63827), (332, 62289), (498, 41526), (747, 27684), (769, 26892), (996, 20763), (1494, 13842), (1538, 13446), (2241, 9228), (2307, 8964), (2988, 6921), (3076, 6723), (4482, 4614)]