20451366

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 84

約数和(自身を含む): 50404788

約数和(自身を除く): 29953422

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 83, 117, 162, 166, 169, 234, 243, 249, 338, 351, 486, 498, 507, 702, 729, 747, 1014, 1053, 1079, 1458, 1494, 1521, 2106, 2158, 2241, 3042, 3159, 3237, 4482, 4563, 6318, 6474, 6723, 9126, 9477, 9711, 13446, 13689, 14027, 18954, 19422, 20169, 27378, 28054, 29133, 40338, 41067, 42081, 58266, 60507, 82134, 84162, 87399, 121014, 123201, 126243, 174798, 246402, 252486, 262197, 378729, 524394, 757458, 786591, 1136187, 1573182, 2272374, 3408561, 6817122, 10225683, 20451366]

約数ペア:

[(1, 20451366), (2, 10225683), (3, 6817122), (6, 3408561), (9, 2272374), (13, 1573182), (18, 1136187), (26, 786591), (27, 757458), (39, 524394), (54, 378729), (78, 262197), (81, 252486), (83, 246402), (117, 174798), (162, 126243), (166, 123201), (169, 121014), (234, 87399), (243, 84162), (249, 82134), (338, 60507), (351, 58266), (486, 42081), (498, 41067), (507, 40338), (702, 29133), (729, 28054), (747, 27378), (1014, 20169), (1053, 19422), (1079, 18954), (1458, 14027), (1494, 13689), (1521, 13446), (2106, 9711), (2158, 9477), (2241, 9126), (3042, 6723), (3159, 6474), (3237, 6318), (4482, 4563)]