20703930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53087}}^1$

素因数の和:53110

約数の個数: 32

約数和(自身を含む): 53512704

約数和(自身を除く): 32808774

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53087, 106174, 159261, 265435, 318522, 530870, 690131, 796305, 1380262, 1592610, 2070393, 3450655, 4140786, 6901310, 10351965, 20703930]

約数ペア:

[(1, 20703930), (2, 10351965), (3, 6901310), (5, 4140786), (6, 3450655), (10, 2070393), (13, 1592610), (15, 1380262), (26, 796305), (30, 690131), (39, 530870), (65, 318522), (78, 265435), (130, 159261), (195, 106174), (390, 53087)]