20418708

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29255532

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 131, 186, 262, 372, 393, 419, 524, 786, 838, 1257, 1572, 1676, 2514, 4061, 5028, 8122, 12183, 12989, 16244, 24366, 25978, 38967, 48732, 51956, 54889, 77934, 109778, 155868, 164667, 219556, 329334, 658668, 1701559, 3403118, 5104677, 6806236, 10209354, 20418708]

約数ペア:

[(1, 20418708), (2, 10209354), (3, 6806236), (4, 5104677), (6, 3403118), (12, 1701559), (31, 658668), (62, 329334), (93, 219556), (124, 164667), (131, 155868), (186, 109778), (262, 77934), (372, 54889), (393, 51956), (419, 48732), (524, 38967), (786, 25978), (838, 24366), (1257, 16244), (1572, 12989), (1676, 12183), (2514, 8122), (4061, 5028)]