20643520642

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{683}}^1\times {\mathrm{859}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 31602605760

約数和(自身を除く): 10959085118

約数列:

[1, 2, 73, 146, 241, 482, 683, 859, 1366, 1718, 17593, 35186, 49859, 62707, 99718, 125414, 164603, 207019, 329206, 414038, 586697, 1173394, 12016019, 15112387, 24032038, 30224774, 42828881, 85657762, 141393977, 282787954, 10321760321, 20643520642]

約数ペア:

[(1, 20643520642), (2, 10321760321), (73, 282787954), (146, 141393977), (241, 85657762), (482, 42828881), (683, 30224774), (859, 24032038), (1366, 15112387), (1718, 12016019), (17593, 1173394), (35186, 586697), (49859, 414038), (62707, 329206), (99718, 207019), (125414, 164603)]