20936776

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{811}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 45017280

約数和(自身を除く): 24080504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 811, 922, 1622, 1844, 3227, 3244, 3688, 5677, 6454, 6488, 11354, 12908, 22708, 25816, 45416, 373871, 747742, 1495484, 2617097, 2990968, 5234194, 10468388, 20936776]

約数ペア:

[(1, 20936776), (2, 10468388), (4, 5234194), (7, 2990968), (8, 2617097), (14, 1495484), (28, 747742), (56, 373871), (461, 45416), (811, 25816), (922, 22708), (1622, 12908), (1844, 11354), (3227, 6488), (3244, 6454), (3688, 5677)]