20187912

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 52488000

約数和(自身を除く): 32300088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 59, 106, 118, 159, 177, 212, 236, 269, 318, 354, 424, 472, 538, 636, 708, 807, 1076, 1272, 1416, 1614, 2152, 3127, 3228, 6254, 6456, 9381, 12508, 14257, 15871, 18762, 25016, 28514, 31742, 37524, 42771, 47613, 57028, 63484, 75048, 85542, 95226, 114056, 126968, 171084, 190452, 342168, 380904, 841163, 1682326, 2523489, 3364652, 5046978, 6729304, 10093956, 20187912]

約数ペア:

[(1, 20187912), (2, 10093956), (3, 6729304), (4, 5046978), (6, 3364652), (8, 2523489), (12, 1682326), (24, 841163), (53, 380904), (59, 342168), (106, 190452), (118, 171084), (159, 126968), (177, 114056), (212, 95226), (236, 85542), (269, 75048), (318, 63484), (354, 57028), (424, 47613), (472, 42771), (538, 37524), (636, 31742), (708, 28514), (807, 25016), (1076, 18762), (1272, 15871), (1416, 14257), (1614, 12508), (2152, 9381), (3127, 6456), (3228, 6254)]