20681094

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 50135040

約数和(自身を除く): 29453946

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 79, 138, 158, 161, 237, 271, 322, 474, 483, 542, 553, 813, 966, 1106, 1626, 1659, 1817, 1897, 3318, 3634, 3794, 5451, 5691, 6233, 10902, 11382, 12466, 12719, 18699, 21409, 25438, 37398, 38157, 42818, 43631, 64227, 76314, 87262, 128454, 130893, 149863, 261786, 299726, 449589, 492407, 899178, 984814, 1477221, 2954442, 3446849, 6893698, 10340547, 20681094]

約数ペア:

[(1, 20681094), (2, 10340547), (3, 6893698), (6, 3446849), (7, 2954442), (14, 1477221), (21, 984814), (23, 899178), (42, 492407), (46, 449589), (69, 299726), (79, 261786), (138, 149863), (158, 130893), (161, 128454), (237, 87262), (271, 76314), (322, 64227), (474, 43631), (483, 42818), (542, 38157), (553, 37398), (813, 25438), (966, 21409), (1106, 18699), (1626, 12719), (1659, 12466), (1817, 11382), (1897, 10902), (3318, 6233), (3634, 5691), (3794, 5451)]