20161800016

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{739}}^1\times {\mathrm{28901}}^1$

素因数の和:29707

約数の個数: 40

約数和(自身を含む): 39780712800

約数和(自身を除く): 19618912784

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 739, 944, 1478, 2956, 5912, 11824, 28901, 43601, 57802, 87202, 115604, 174404, 231208, 348808, 462416, 697616, 1705159, 3410318, 6820636, 13641272, 21357839, 27282544, 42715678, 85431356, 170862712, 341725424, 1260112501, 2520225002, 5040450004, 10080900008, 20161800016]

約数ペア:

[(1, 20161800016), (2, 10080900008), (4, 5040450004), (8, 2520225002), (16, 1260112501), (59, 341725424), (118, 170862712), (236, 85431356), (472, 42715678), (739, 27282544), (944, 21357839), (1478, 13641272), (2956, 6820636), (5912, 3410318), (11824, 1705159), (28901, 697616), (43601, 462416), (57802, 348808), (87202, 231208), (115604, 174404)]