20838622

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 37483200

約数和(自身を除く): 16644578

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 518, 686, 821, 1642, 1813, 3626, 5747, 11494, 12691, 25382, 30377, 40229, 60754, 80458, 212639, 281603, 425278, 563206, 1488473, 2976946, 10419311, 20838622]

約数ペア:

[(1, 20838622), (2, 10419311), (7, 2976946), (14, 1488473), (37, 563206), (49, 425278), (74, 281603), (98, 212639), (259, 80458), (343, 60754), (518, 40229), (686, 30377), (821, 25382), (1642, 12691), (1813, 11494), (3626, 5747)]