20189954844

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{2347}}^1\times {\mathrm{2879}}^1$

素因数の和:5319

約数の個数: 72

約数和(自身を含む): 51690562560

約数和(自身を除く): 31500607716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2347, 2879, 2988, 4694, 5758, 7041, 8637, 9388, 11516, 14082, 17274, 21123, 25911, 28164, 34548, 42246, 51822, 84492, 103644, 194801, 238957, 389602, 477914, 584403, 716871, 779204, 955828, 1168806, 1433742, 1753209, 2150613, 2337612, 2867484, 3506418, 4301226, 6757013, 7012836, 8602452, 13514026, 20271039, 27028052, 40542078, 60813117, 81084156, 121626234, 243252468, 560832079, 1121664158, 1682496237, 2243328316, 3364992474, 5047488711, 6729984948, 10094977422, 20189954844]

約数ペア:

[(1, 20189954844), (2, 10094977422), (3, 6729984948), (4, 5047488711), (6, 3364992474), (9, 2243328316), (12, 1682496237), (18, 1121664158), (36, 560832079), (83, 243252468), (166, 121626234), (249, 81084156), (332, 60813117), (498, 40542078), (747, 27028052), (996, 20271039), (1494, 13514026), (2347, 8602452), (2879, 7012836), (2988, 6757013), (4694, 4301226), (5758, 3506418), (7041, 2867484), (8637, 2337612), (9388, 2150613), (11516, 1753209), (14082, 1433742), (17274, 1168806), (21123, 955828), (25911, 779204), (28164, 716871), (34548, 584403), (42246, 477914), (51822, 389602), (84492, 238957), (103644, 194801)]