20131709720

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1\times {\mathrm{6803}}^1$

素因数の和:7424

約数の個数: 64

約数和(自身を含む): 45677157120

約数和(自身を除く): 25545447400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 443, 668, 835, 886, 1336, 1670, 1772, 2215, 3340, 3544, 4430, 6680, 6803, 8860, 13606, 17720, 27212, 34015, 54424, 68030, 73981, 136060, 147962, 272120, 295924, 369905, 591848, 739810, 1136101, 1479620, 2272202, 2959240, 3013729, 4544404, 5680505, 6027458, 9088808, 11361010, 12054916, 15068645, 22722020, 24109832, 30137290, 45444040, 60274580, 120549160, 503292743, 1006585486, 2013170972, 2516463715, 4026341944, 5032927430, 10065854860, 20131709720]

約数ペア:

[(1, 20131709720), (2, 10065854860), (4, 5032927430), (5, 4026341944), (8, 2516463715), (10, 2013170972), (20, 1006585486), (40, 503292743), (167, 120549160), (334, 60274580), (443, 45444040), (668, 30137290), (835, 24109832), (886, 22722020), (1336, 15068645), (1670, 12054916), (1772, 11361010), (2215, 9088808), (3340, 6027458), (3544, 5680505), (4430, 4544404), (6680, 3013729), (6803, 2959240), (8860, 2272202), (13606, 1479620), (17720, 1136101), (27212, 739810), (34015, 591848), (54424, 369905), (68030, 295924), (73981, 272120), (136060, 147962)]