20051422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 32947200

約数和(自身を除く): 12895778

約数列:

[1, 2, 19, 38, 47, 94, 103, 109, 206, 218, 893, 1786, 1957, 2071, 3914, 4142, 4841, 5123, 9682, 10246, 11227, 22454, 91979, 97337, 183958, 194674, 213313, 426626, 527669, 1055338, 10025711, 20051422]

約数ペア:

[(1, 20051422), (2, 10025711), (19, 1055338), (38, 527669), (47, 426626), (94, 213313), (103, 194674), (109, 183958), (206, 97337), (218, 91979), (893, 22454), (1786, 11227), (1957, 10246), (2071, 9682), (3914, 5123), (4142, 4841)]