20315264

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3691}}^1$

素因数の和:3748

約数の個数: 32

約数和(自身を含む): 41424240

約数和(自身を除く): 21108976

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3691, 5504, 7382, 14764, 29528, 59056, 118112, 158713, 236224, 317426, 472448, 634852, 1269704, 2539408, 5078816, 10157632, 20315264]

約数ペア:

[(1, 20315264), (2, 10157632), (4, 5078816), (8, 2539408), (16, 1269704), (32, 634852), (43, 472448), (64, 317426), (86, 236224), (128, 158713), (172, 118112), (344, 59056), (688, 29528), (1376, 14764), (2752, 7382), (3691, 5504)]