20216605875

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{14087}}^1$

素因数の和:14237

約数の個数: 64

約数和(自身を含む): 34812011520

約数和(自身を除く): 14595405645

約数列:

[1, 3, 5, 15, 25, 43, 75, 89, 125, 129, 215, 267, 375, 445, 645, 1075, 1335, 2225, 3225, 3827, 5375, 6675, 11125, 11481, 14087, 16125, 19135, 33375, 42261, 57405, 70435, 95675, 211305, 287025, 352175, 478375, 605741, 1056525, 1253743, 1435125, 1760875, 1817223, 3028705, 3761229, 5282625, 6268715, 9086115, 15143525, 18806145, 31343575, 45430575, 53910949, 75717625, 94030725, 156717875, 161732847, 227152875, 269554745, 470153625, 808664235, 1347773725, 4043321175, 6738868625, 20216605875]

約数ペア:

[(1, 20216605875), (3, 6738868625), (5, 4043321175), (15, 1347773725), (25, 808664235), (43, 470153625), (75, 269554745), (89, 227152875), (125, 161732847), (129, 156717875), (215, 94030725), (267, 75717625), (375, 53910949), (445, 45430575), (645, 31343575), (1075, 18806145), (1335, 15143525), (2225, 9086115), (3225, 6268715), (3827, 5282625), (5375, 3761229), (6675, 3028705), (11125, 1817223), (11481, 1760875), (14087, 1435125), (16125, 1253743), (19135, 1056525), (33375, 605741), (42261, 478375), (57405, 352175), (70435, 287025), (95675, 211305)]