20007558145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{709}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 26051774400

約数和(自身を除く): 6044216255

約数列:

[1, 5, 17, 59, 85, 289, 295, 331, 709, 1003, 1445, 1655, 3545, 5015, 5627, 12053, 17051, 19529, 28135, 41831, 60265, 85255, 95659, 97645, 204901, 209155, 234679, 331993, 478295, 711127, 1024505, 1173395, 1659965, 3555635, 3989543, 5643881, 12089159, 13846061, 19947715, 28219405, 60445795, 67822231, 69230305, 235383037, 339111155, 1176915185, 4001511629, 20007558145]

約数ペア:

[(1, 20007558145), (5, 4001511629), (17, 1176915185), (59, 339111155), (85, 235383037), (289, 69230305), (295, 67822231), (331, 60445795), (709, 28219405), (1003, 19947715), (1445, 13846061), (1655, 12089159), (3545, 5643881), (5015, 3989543), (5627, 3555635), (12053, 1659965), (17051, 1173395), (19529, 1024505), (28135, 711127), (41831, 478295), (60265, 331993), (85255, 234679), (95659, 209155), (97645, 204901)]