20243740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 30559460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 167, 190, 209, 220, 290, 319, 334, 380, 418, 551, 580, 638, 668, 835, 836, 1045, 1102, 1276, 1595, 1670, 1837, 2090, 2204, 2755, 3173, 3190, 3340, 3674, 4180, 4843, 5510, 6061, 6346, 6380, 7348, 9185, 9686, 11020, 12122, 12692, 15865, 18370, 19372, 24215, 24244, 30305, 31730, 34903, 36740, 48430, 53273, 60610, 63460, 69806, 92017, 96860, 106546, 121220, 139612, 174515, 184034, 213092, 266365, 349030, 368068, 460085, 532730, 698060, 920170, 1012187, 1065460, 1840340, 2024374, 4048748, 5060935, 10121870, 20243740]

約数ペア:

[(1, 20243740), (2, 10121870), (4, 5060935), (5, 4048748), (10, 2024374), (11, 1840340), (19, 1065460), (20, 1012187), (22, 920170), (29, 698060), (38, 532730), (44, 460085), (55, 368068), (58, 349030), (76, 266365), (95, 213092), (110, 184034), (116, 174515), (145, 139612), (167, 121220), (190, 106546), (209, 96860), (220, 92017), (290, 69806), (319, 63460), (334, 60610), (380, 53273), (418, 48430), (551, 36740), (580, 34903), (638, 31730), (668, 30305), (835, 24244), (836, 24215), (1045, 19372), (1102, 18370), (1276, 15865), (1595, 12692), (1670, 12122), (1837, 11020), (2090, 9686), (2204, 9185), (2755, 7348), (3173, 6380), (3190, 6346), (3340, 6061), (3674, 5510), (4180, 4843)]