20491725591

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{5501}}^1$

素因数の和:5872

約数の個数: 48

約数和(自身を含む): 31795309728

約数和(自身を除く): 11303584137

約数列:

[1, 3, 9, 17, 51, 97, 153, 251, 291, 753, 873, 1649, 2259, 4267, 4947, 5501, 12801, 14841, 16503, 24347, 38403, 49509, 73041, 93517, 219123, 280551, 413899, 533597, 841653, 1241697, 1380751, 1600791, 3725091, 4142253, 4802373, 9071149, 12426759, 23472767, 27213447, 70418301, 81640341, 133932847, 211254903, 401798541, 1205395623, 2276858399, 6830575197, 20491725591]

約数ペア:

[(1, 20491725591), (3, 6830575197), (9, 2276858399), (17, 1205395623), (51, 401798541), (97, 211254903), (153, 133932847), (251, 81640341), (291, 70418301), (753, 27213447), (873, 23472767), (1649, 12426759), (2259, 9071149), (4267, 4802373), (4947, 4142253), (5501, 3725091), (12801, 1600791), (14841, 1380751), (16503, 1241697), (24347, 841653), (38403, 533597), (49509, 413899), (73041, 280551), (93517, 219123)]