23912020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 56776104

約数和(自身を除く): 32864084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 241, 242, 410, 451, 482, 484, 605, 820, 902, 964, 1205, 1210, 1804, 2255, 2410, 2420, 2651, 4510, 4820, 4961, 5302, 9020, 9881, 9922, 10604, 13255, 19762, 19844, 24805, 26510, 29161, 39524, 49405, 49610, 53020, 58322, 98810, 99220, 108691, 116644, 145805, 197620, 217382, 291610, 434764, 543455, 583220, 1086910, 1195601, 2173820, 2391202, 4782404, 5978005, 11956010, 23912020]

約数ペア:

[(1, 23912020), (2, 11956010), (4, 5978005), (5, 4782404), (10, 2391202), (11, 2173820), (20, 1195601), (22, 1086910), (41, 583220), (44, 543455), (55, 434764), (82, 291610), (110, 217382), (121, 197620), (164, 145805), (205, 116644), (220, 108691), (241, 99220), (242, 98810), (410, 58322), (451, 53020), (482, 49610), (484, 49405), (605, 39524), (820, 29161), (902, 26510), (964, 24805), (1205, 19844), (1210, 19762), (1804, 13255), (2255, 10604), (2410, 9922), (2420, 9881), (2651, 9020), (4510, 5302), (4820, 4961)]