20705004

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{4079}}^1$

素因数の和:4139

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 34130196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 108, 141, 188, 282, 423, 564, 846, 1269, 1692, 2538, 4079, 5076, 8158, 12237, 16316, 24474, 36711, 48948, 73422, 110133, 146844, 191713, 220266, 383426, 440532, 575139, 766852, 1150278, 1725417, 2300556, 3450834, 5176251, 6901668, 10352502, 20705004]

約数ペア:

[(1, 20705004), (2, 10352502), (3, 6901668), (4, 5176251), (6, 3450834), (9, 2300556), (12, 1725417), (18, 1150278), (27, 766852), (36, 575139), (47, 440532), (54, 383426), (94, 220266), (108, 191713), (141, 146844), (188, 110133), (282, 73422), (423, 48948), (564, 36711), (846, 24474), (1269, 16316), (1692, 12237), (2538, 8158), (4079, 5076)]