20158161088

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{272231}}^1$

素因数の和:272345

約数の個数: 56

約数和(自身を含む): 43562564640

約数和(自身を除く): 23404403552

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 178, 208, 356, 416, 712, 832, 1157, 1424, 2314, 2848, 4628, 5696, 9256, 18512, 37024, 74048, 272231, 544462, 1088924, 2177848, 3539003, 4355696, 7078006, 8711392, 14156012, 17422784, 24228559, 28312024, 48457118, 56624048, 96914236, 113248096, 193828472, 226496192, 314971267, 387656944, 629942534, 775313888, 1259885068, 1550627776, 2519770136, 5039540272, 10079080544, 20158161088]

約数ペア:

[(1, 20158161088), (2, 10079080544), (4, 5039540272), (8, 2519770136), (13, 1550627776), (16, 1259885068), (26, 775313888), (32, 629942534), (52, 387656944), (64, 314971267), (89, 226496192), (104, 193828472), (178, 113248096), (208, 96914236), (356, 56624048), (416, 48457118), (712, 28312024), (832, 24228559), (1157, 17422784), (1424, 14156012), (2314, 8711392), (2848, 7078006), (4628, 4355696), (5696, 3539003), (9256, 2177848), (18512, 1088924), (37024, 544462), (74048, 272231)]