20145528

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21523}}^1$

素因数の和:21548

約数の個数: 48

約数和(自身を含む): 58760520

約数和(自身を除く): 38614992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21523, 43046, 64569, 86092, 129138, 172184, 193707, 258276, 279799, 387414, 516552, 559598, 774828, 839397, 1119196, 1549656, 1678794, 2238392, 2518191, 3357588, 5036382, 6715176, 10072764, 20145528]

約数ペア:

[(1, 20145528), (2, 10072764), (3, 6715176), (4, 5036382), (6, 3357588), (8, 2518191), (9, 2238392), (12, 1678794), (13, 1549656), (18, 1119196), (24, 839397), (26, 774828), (36, 559598), (39, 516552), (52, 387414), (72, 279799), (78, 258276), (104, 193707), (117, 172184), (156, 129138), (234, 86092), (312, 64569), (468, 43046), (936, 21523)]