20512128945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157163}}^1$

素因数の和:157302

約数の個数: 64

約数和(自身を含む): 41280067584

約数和(自身を除く): 20767938639

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 113, 165, 231, 339, 385, 565, 791, 1155, 1243, 1695, 2373, 3729, 3955, 6215, 8701, 11865, 18645, 26103, 43505, 130515, 157163, 471489, 785815, 1100141, 1728793, 2357445, 3300423, 5186379, 5500705, 8643965, 12101551, 16502115, 17759419, 25931895, 36304653, 53278257, 60507755, 88797095, 124315933, 181523265, 195353609, 266391285, 372947799, 586060827, 621579665, 976768045, 1367475263, 1864738995, 2930304135, 4102425789, 6837376315, 20512128945]

約数ペア:

[(1, 20512128945), (3, 6837376315), (5, 4102425789), (7, 2930304135), (11, 1864738995), (15, 1367475263), (21, 976768045), (33, 621579665), (35, 586060827), (55, 372947799), (77, 266391285), (105, 195353609), (113, 181523265), (165, 124315933), (231, 88797095), (339, 60507755), (385, 53278257), (565, 36304653), (791, 25931895), (1155, 17759419), (1243, 16502115), (1695, 12101551), (2373, 8643965), (3729, 5500705), (3955, 5186379), (6215, 3300423), (8701, 2357445), (11865, 1728793), (18645, 1100141), (26103, 785815), (43505, 471489), (130515, 157163)]