20899491195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1\times {\mathrm{6277}}^1$

素因数の和:7500

約数の個数: 64

約数和(自身を含む): 38663640576

約数和(自身を除く): 17764149381

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 1187, 2805, 3561, 5935, 6277, 13057, 17805, 18831, 20179, 31385, 39171, 60537, 65285, 69047, 94155, 100895, 106709, 195855, 207141, 221969, 302685, 320127, 345235, 533545, 665907, 1035705, 1109845, 1173799, 1600635, 3329535, 3521397, 5868995, 7450799, 17606985, 22352397, 37253995, 81958789, 111761985, 126663583, 245876367, 379990749, 409793945, 633317915, 1229381835, 1393299413, 1899953745, 4179898239, 6966497065, 20899491195]

約数ペア:

[(1, 20899491195), (3, 6966497065), (5, 4179898239), (11, 1899953745), (15, 1393299413), (17, 1229381835), (33, 633317915), (51, 409793945), (55, 379990749), (85, 245876367), (165, 126663583), (187, 111761985), (255, 81958789), (561, 37253995), (935, 22352397), (1187, 17606985), (2805, 7450799), (3561, 5868995), (5935, 3521397), (6277, 3329535), (13057, 1600635), (17805, 1173799), (18831, 1109845), (20179, 1035705), (31385, 665907), (39171, 533545), (60537, 345235), (65285, 320127), (69047, 302685), (94155, 221969), (100895, 207141), (106709, 195855)]