20972783810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{8387}}^1$

素因数の和:8711

約数の個数: 64

約数和(自身を含む): 41744056320

約数和(自身を除く): 20771272510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 179, 254, 358, 635, 895, 1270, 1397, 1790, 1969, 2794, 3938, 6985, 8387, 9845, 13970, 16774, 19690, 22733, 41935, 45466, 83870, 92257, 113665, 184514, 227330, 250063, 461285, 500126, 922570, 1065149, 1250315, 1501273, 2130298, 2500630, 3002546, 5325745, 7506365, 10651490, 11716639, 15012730, 16514003, 23433278, 33028006, 58583195, 82570015, 117166390, 165140030, 190661671, 381323342, 953308355, 1906616710, 2097278381, 4194556762, 10486391905, 20972783810]

約数ペア:

[(1, 20972783810), (2, 10486391905), (5, 4194556762), (10, 2097278381), (11, 1906616710), (22, 953308355), (55, 381323342), (110, 190661671), (127, 165140030), (179, 117166390), (254, 82570015), (358, 58583195), (635, 33028006), (895, 23433278), (1270, 16514003), (1397, 15012730), (1790, 11716639), (1969, 10651490), (2794, 7506365), (3938, 5325745), (6985, 3002546), (8387, 2500630), (9845, 2130298), (13970, 1501273), (16774, 1250315), (19690, 1065149), (22733, 922570), (41935, 500126), (45466, 461285), (83870, 250063), (92257, 227330), (113665, 184514)]