20342078414

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{3313}}^1$

素因数の和:3945

約数の個数: 64

約数和(自身を含む): 37680975360

約数和(自身を除く): 17338896946

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 563, 574, 779, 1126, 1558, 3313, 3941, 5453, 6626, 7882, 10697, 10906, 21394, 23083, 23191, 46166, 46382, 62947, 74879, 125894, 135833, 149758, 161581, 271666, 323162, 438577, 440629, 877154, 881258, 950831, 1865219, 1901662, 2580827, 3070039, 3730438, 5161654, 6140078, 13056533, 18065789, 26113066, 35439161, 36131578, 70878322, 76473979, 152947958, 248074127, 496148254, 535317853, 1070635706, 1453005601, 2906011202, 10171039207, 20342078414]

約数ペア:

[(1, 20342078414), (2, 10171039207), (7, 2906011202), (14, 1453005601), (19, 1070635706), (38, 535317853), (41, 496148254), (82, 248074127), (133, 152947958), (266, 76473979), (287, 70878322), (563, 36131578), (574, 35439161), (779, 26113066), (1126, 18065789), (1558, 13056533), (3313, 6140078), (3941, 5161654), (5453, 3730438), (6626, 3070039), (7882, 2580827), (10697, 1901662), (10906, 1865219), (21394, 950831), (23083, 881258), (23191, 877154), (46166, 440629), (46382, 438577), (62947, 323162), (74879, 271666), (125894, 161581), (135833, 149758)]