20474844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131249}}^1$

素因数の和:131269

約数の個数: 24

約数和(自身を含む): 51450000

約数和(自身を除く): 30975156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131249, 262498, 393747, 524996, 787494, 1574988, 1706237, 3412474, 5118711, 6824948, 10237422, 20474844]

約数ペア:

[(1, 20474844), (2, 10237422), (3, 6824948), (4, 5118711), (6, 3412474), (12, 1706237), (13, 1574988), (26, 787494), (39, 524996), (52, 393747), (78, 262498), (156, 131249)]