20279266

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:778

約数の個数: 32

約数和(自身を含む): 37134720

約数和(自身を除く): 16855454

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 278, 613, 973, 1226, 1946, 2363, 4291, 4726, 8582, 10421, 16541, 20842, 33082, 72947, 85207, 145894, 170414, 596449, 1192898, 1448519, 2897038, 10139633, 20279266]

約数ペア:

[(1, 20279266), (2, 10139633), (7, 2897038), (14, 1448519), (17, 1192898), (34, 596449), (119, 170414), (139, 145894), (238, 85207), (278, 72947), (613, 33082), (973, 20842), (1226, 16541), (1946, 10421), (2363, 8582), (4291, 4726)]