20512690530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1\times {\mathrm{22921}}^1$

素因数の和:24251

約数の個数: 64

約数和(自身を含む): 51412762368

約数和(自身を除く): 30900071838

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 1297, 2594, 3891, 6485, 7782, 12970, 19455, 22921, 29831, 38910, 45842, 59662, 68763, 89493, 114605, 137526, 149155, 178986, 229210, 298310, 343815, 447465, 527183, 687630, 894930, 1054366, 1581549, 2635915, 3163098, 5271830, 7907745, 15815490, 29728537, 59457074, 89185611, 148642685, 178371222, 297285370, 445928055, 683756351, 891856110, 1367512702, 2051269053, 3418781755, 4102538106, 6837563510, 10256345265, 20512690530]

約数ペア:

[(1, 20512690530), (2, 10256345265), (3, 6837563510), (5, 4102538106), (6, 3418781755), (10, 2051269053), (15, 1367512702), (23, 891856110), (30, 683756351), (46, 445928055), (69, 297285370), (115, 178371222), (138, 148642685), (230, 89185611), (345, 59457074), (690, 29728537), (1297, 15815490), (2594, 7907745), (3891, 5271830), (6485, 3163098), (7782, 2635915), (12970, 1581549), (19455, 1054366), (22921, 894930), (29831, 687630), (38910, 527183), (45842, 447465), (59662, 343815), (68763, 298310), (89493, 229210), (114605, 178986), (137526, 149155)]