20122901080

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{67139}}^1$

素因数の和:67336

約数の個数: 64

約数和(自身を含む): 46407168000

約数和(自身を除く): 26284266920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 127, 236, 254, 295, 472, 508, 590, 635, 1016, 1180, 1270, 2360, 2540, 5080, 7493, 14986, 29972, 37465, 59944, 67139, 74930, 134278, 149860, 268556, 299720, 335695, 537112, 671390, 1342780, 2685560, 3961201, 7922402, 8526653, 15844804, 17053306, 19806005, 31689608, 34106612, 39612010, 42633265, 68213224, 79224020, 85266530, 158448040, 170533060, 341066120, 503072527, 1006145054, 2012290108, 2515362635, 4024580216, 5030725270, 10061450540, 20122901080]

約数ペア:

[(1, 20122901080), (2, 10061450540), (4, 5030725270), (5, 4024580216), (8, 2515362635), (10, 2012290108), (20, 1006145054), (40, 503072527), (59, 341066120), (118, 170533060), (127, 158448040), (236, 85266530), (254, 79224020), (295, 68213224), (472, 42633265), (508, 39612010), (590, 34106612), (635, 31689608), (1016, 19806005), (1180, 17053306), (1270, 15844804), (2360, 8526653), (2540, 7922402), (5080, 3961201), (7493, 2685560), (14986, 1342780), (29972, 671390), (37465, 537112), (59944, 335695), (67139, 299720), (74930, 268556), (134278, 149860)]