20403013017

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{19709}}^1$

素因数の和:19977

約数の個数: 32

約数和(自身を含む): 28704067200

約数和(自身を除く): 8301054183

約数列:

[1, 3, 29, 73, 87, 163, 219, 489, 2117, 4727, 6351, 11899, 14181, 19709, 35697, 59127, 345071, 571561, 1035213, 1438757, 1714683, 3212567, 4316271, 9637701, 41723953, 93164443, 125171859, 234517391, 279493329, 703552173, 6801004339, 20403013017]

約数ペア:

[(1, 20403013017), (3, 6801004339), (29, 703552173), (73, 279493329), (87, 234517391), (163, 125171859), (219, 93164443), (489, 41723953), (2117, 9637701), (4727, 4316271), (6351, 3212567), (11899, 1714683), (14181, 1438757), (19709, 1035213), (35697, 571561), (59127, 345071)]