20654316

素因数分解:

$2^2\times 3^2\times {\mathrm{523}}^1\times {\mathrm{1097}}^1$

素因数の和:1630

約数の個数: 36

約数和(自身を含む): 52357032

約数和(自身を除く): 31702716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 523, 1046, 1097, 1569, 2092, 2194, 3138, 3291, 4388, 4707, 6276, 6582, 9414, 9873, 13164, 18828, 19746, 39492, 573731, 1147462, 1721193, 2294924, 3442386, 5163579, 6884772, 10327158, 20654316]

約数ペア:

[(1, 20654316), (2, 10327158), (3, 6884772), (4, 5163579), (6, 3442386), (9, 2294924), (12, 1721193), (18, 1147462), (36, 573731), (523, 39492), (1046, 19746), (1097, 18828), (1569, 13164), (2092, 9873), (2194, 9414), (3138, 6582), (3291, 6276), (4388, 4707)]