20373890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 38905920

約数和(自身を除く): 18532030

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 683, 785, 1366, 1570, 2983, 3415, 5966, 6830, 12977, 14915, 25954, 29830, 64885, 107231, 129770, 214462, 536155, 1072310, 2037389, 4074778, 10186945, 20373890]

約数ペア:

[(1, 20373890), (2, 10186945), (5, 4074778), (10, 2037389), (19, 1072310), (38, 536155), (95, 214462), (157, 129770), (190, 107231), (314, 64885), (683, 29830), (785, 25954), (1366, 14915), (1570, 12977), (2983, 6830), (3415, 5966)]