20980296

素因数分解:

$2^3\times 3^4\times {\mathrm{32377}}^1$

素因数の和:32395

約数の個数: 40

約数和(自身を含む): 58766070

約数和(自身を除く): 37785774

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32377, 64754, 97131, 129508, 194262, 259016, 291393, 388524, 582786, 777048, 874179, 1165572, 1748358, 2331144, 2622537, 3496716, 5245074, 6993432, 10490148, 20980296]

約数ペア:

[(1, 20980296), (2, 10490148), (3, 6993432), (4, 5245074), (6, 3496716), (8, 2622537), (9, 2331144), (12, 1748358), (18, 1165572), (24, 874179), (27, 777048), (36, 582786), (54, 388524), (72, 291393), (81, 259016), (108, 194262), (162, 129508), (216, 97131), (324, 64754), (648, 32377)]