20884830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2647}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 50333184

約数和(自身を除く): 29448354

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 2647, 3945, 5294, 7890, 7941, 13235, 15882, 26470, 39705, 79410, 696161, 1392322, 2088483, 3480805, 4176966, 6961610, 10442415, 20884830]

約数ペア:

[(1, 20884830), (2, 10442415), (3, 6961610), (5, 4176966), (6, 3480805), (10, 2088483), (15, 1392322), (30, 696161), (263, 79410), (526, 39705), (789, 26470), (1315, 15882), (1578, 13235), (2630, 7941), (2647, 7890), (3945, 5294)]