20235714860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{461}}^1\times {\mathrm{1187}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 43637345136

約数和(自身を除く): 23401630276

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 461, 860, 922, 1187, 1844, 1849, 2305, 2374, 3698, 4610, 4748, 5935, 7396, 9220, 9245, 11870, 18490, 19823, 23740, 36980, 39646, 51041, 79292, 99115, 102082, 198230, 204164, 255205, 396460, 510410, 547207, 852389, 1020820, 1094414, 1704778, 2188828, 2194763, 2736035, 3409556, 4261945, 4389526, 5472070, 8523890, 8779052, 10944140, 10973815, 17047780, 21947630, 23529901, 43895260, 47059802, 94119604, 117649505, 235299010, 470598020, 1011785743, 2023571486, 4047142972, 5058928715, 10117857430, 20235714860]

約数ペア:

[(1, 20235714860), (2, 10117857430), (4, 5058928715), (5, 4047142972), (10, 2023571486), (20, 1011785743), (43, 470598020), (86, 235299010), (172, 117649505), (215, 94119604), (430, 47059802), (461, 43895260), (860, 23529901), (922, 21947630), (1187, 17047780), (1844, 10973815), (1849, 10944140), (2305, 8779052), (2374, 8523890), (3698, 5472070), (4610, 4389526), (4748, 4261945), (5935, 3409556), (7396, 2736035), (9220, 2194763), (9245, 2188828), (11870, 1704778), (18490, 1094414), (19823, 1020820), (23740, 852389), (36980, 547207), (39646, 510410), (51041, 396460), (79292, 255205), (99115, 204164), (102082, 198230)]