20664898668

素因数分解:

$2^2\times 3^2\times {\mathrm{1297}}^1\times {\mathrm{442579}}^1$

素因数の和:443886

約数の個数: 36

約数和(自身を含む): 52276664440

約数和(自身を除く): 31611765772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1297, 2594, 3891, 5188, 7782, 11673, 15564, 23346, 46692, 442579, 885158, 1327737, 1770316, 2655474, 3983211, 5310948, 7966422, 15932844, 574024963, 1148049926, 1722074889, 2296099852, 3444149778, 5166224667, 6888299556, 10332449334, 20664898668]

約数ペア:

[(1, 20664898668), (2, 10332449334), (3, 6888299556), (4, 5166224667), (6, 3444149778), (9, 2296099852), (12, 1722074889), (18, 1148049926), (36, 574024963), (1297, 15932844), (2594, 7966422), (3891, 5310948), (5188, 3983211), (7782, 2655474), (11673, 1770316), (15564, 1327737), (23346, 885158), (46692, 442579)]