20207310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 30181170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 71, 106, 142, 159, 179, 213, 265, 318, 355, 358, 426, 530, 537, 710, 795, 895, 1065, 1074, 1590, 1790, 2130, 2685, 3763, 5370, 7526, 9487, 11289, 12709, 18815, 18974, 22578, 25418, 28461, 37630, 38127, 47435, 56445, 56922, 63545, 76254, 94870, 112890, 127090, 142305, 190635, 284610, 381270, 673577, 1347154, 2020731, 3367885, 4041462, 6735770, 10103655, 20207310]

約数ペア:

[(1, 20207310), (2, 10103655), (3, 6735770), (5, 4041462), (6, 3367885), (10, 2020731), (15, 1347154), (30, 673577), (53, 381270), (71, 284610), (106, 190635), (142, 142305), (159, 127090), (179, 112890), (213, 94870), (265, 76254), (318, 63545), (355, 56922), (358, 56445), (426, 47435), (530, 38127), (537, 37630), (710, 28461), (795, 25418), (895, 22578), (1065, 18974), (1074, 18815), (1590, 12709), (1790, 11289), (2130, 9487), (2685, 7526), (3763, 5370)]