20179458

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 27519102

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 83, 117, 166, 234, 249, 498, 747, 1039, 1079, 1494, 2078, 2158, 3117, 3237, 6234, 6474, 9351, 9711, 13507, 18702, 19422, 27014, 40521, 81042, 86237, 121563, 172474, 243126, 258711, 517422, 776133, 1121081, 1552266, 2242162, 3363243, 6726486, 10089729, 20179458]

約数ペア:

[(1, 20179458), (2, 10089729), (3, 6726486), (6, 3363243), (9, 2242162), (13, 1552266), (18, 1121081), (26, 776133), (39, 517422), (78, 258711), (83, 243126), (117, 172474), (166, 121563), (234, 86237), (249, 81042), (498, 40521), (747, 27014), (1039, 19422), (1079, 18702), (1494, 13507), (2078, 9711), (2158, 9351), (3117, 6474), (3237, 6234)]