20593669880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9871}}^1\times {\mathrm{7451}}^1$

素因数の和:17340

約数の個数: 64

約数和(自身を含む): 52967623680

約数和(自身を除く): 32373953800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7451, 9871, 14902, 19742, 29804, 37255, 39484, 49355, 52157, 59608, 69097, 74510, 78968, 98710, 104314, 138194, 149020, 197420, 208628, 260785, 276388, 298040, 345485, 394840, 417256, 521570, 552776, 690970, 1043140, 1381940, 2086280, 2763880, 73548821, 147097642, 294195284, 367744105, 514841747, 588390568, 735488210, 1029683494, 1470976420, 2059366988, 2574208735, 2941952840, 4118733976, 5148417470, 10296834940, 20593669880]

約数ペア:

[(1, 20593669880), (2, 10296834940), (4, 5148417470), (5, 4118733976), (7, 2941952840), (8, 2574208735), (10, 2059366988), (14, 1470976420), (20, 1029683494), (28, 735488210), (35, 588390568), (40, 514841747), (56, 367744105), (70, 294195284), (140, 147097642), (280, 73548821), (7451, 2763880), (9871, 2086280), (14902, 1381940), (19742, 1043140), (29804, 690970), (37255, 552776), (39484, 521570), (49355, 417256), (52157, 394840), (59608, 345485), (69097, 298040), (74510, 276388), (78968, 260785), (98710, 208628), (104314, 197420), (138194, 149020)]