20880451548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{315739}}^1$

素因数の和:315927

約数の個数: 72

約数和(自身を含む): 57924397440

約数和(自身を除く): 37043945892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 167, 198, 334, 396, 501, 668, 1002, 1503, 1837, 2004, 3006, 3674, 5511, 6012, 7348, 11022, 16533, 22044, 33066, 66132, 315739, 631478, 947217, 1262956, 1894434, 2841651, 3473129, 3788868, 5683302, 6946258, 10419387, 11366604, 13892516, 20838774, 31258161, 41677548, 52728413, 62516322, 105456826, 125032644, 158185239, 210913652, 316370478, 474555717, 580012543, 632740956, 949111434, 1160025086, 1740037629, 1898222868, 2320050172, 3480075258, 5220112887, 6960150516, 10440225774, 20880451548]

約数ペア:

[(1, 20880451548), (2, 10440225774), (3, 6960150516), (4, 5220112887), (6, 3480075258), (9, 2320050172), (11, 1898222868), (12, 1740037629), (18, 1160025086), (22, 949111434), (33, 632740956), (36, 580012543), (44, 474555717), (66, 316370478), (99, 210913652), (132, 158185239), (167, 125032644), (198, 105456826), (334, 62516322), (396, 52728413), (501, 41677548), (668, 31258161), (1002, 20838774), (1503, 13892516), (1837, 11366604), (2004, 10419387), (3006, 6946258), (3674, 5683302), (5511, 3788868), (6012, 3473129), (7348, 2841651), (11022, 1894434), (16533, 1262956), (22044, 947217), (33066, 631478), (66132, 315739)]