31852020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7477}}^1$

素因数の和:7560

約数の個数: 48

約数和(自身を含む): 90453888

約数和(自身を除く): 58601868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7477, 14954, 22431, 29908, 37385, 44862, 74770, 89724, 112155, 149540, 224310, 448620, 530867, 1061734, 1592601, 2123468, 2654335, 3185202, 5308670, 6370404, 7963005, 10617340, 15926010, 31852020]

約数ペア:

[(1, 31852020), (2, 15926010), (3, 10617340), (4, 7963005), (5, 6370404), (6, 5308670), (10, 3185202), (12, 2654335), (15, 2123468), (20, 1592601), (30, 1061734), (60, 530867), (71, 448620), (142, 224310), (213, 149540), (284, 112155), (355, 89724), (426, 74770), (710, 44862), (852, 37385), (1065, 29908), (1420, 22431), (2130, 14954), (4260, 7477)]