20123687925

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{51137}}^1$

素因数の和:51220

約数の個数: 96

約数和(自身を含む): 41090405760

約数和(自身を除く): 20966717835

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 53, 55, 75, 99, 135, 159, 165, 225, 265, 275, 297, 477, 495, 583, 675, 795, 825, 1325, 1431, 1485, 1749, 2385, 2475, 2915, 3975, 5247, 7155, 7425, 8745, 11925, 14575, 15741, 26235, 35775, 43725, 51137, 78705, 131175, 153411, 255685, 393525, 460233, 562507, 767055, 1278425, 1380699, 1687521, 2301165, 2710261, 2812535, 3835275, 5062563, 6903495, 8130783, 8437605, 11505825, 13551305, 14062675, 15187689, 24392349, 25312815, 29812871, 34517475, 40653915, 42188025, 67756525, 73177047, 75938445, 89438613, 121961745, 126564075, 149064355, 203269575, 268315839, 365885235, 379692225, 447193065, 609808725, 745321775, 804947517, 1341579195, 1829426175, 2235965325, 4024737585, 6707895975, 20123687925]

約数ペア:

[(1, 20123687925), (3, 6707895975), (5, 4024737585), (9, 2235965325), (11, 1829426175), (15, 1341579195), (25, 804947517), (27, 745321775), (33, 609808725), (45, 447193065), (53, 379692225), (55, 365885235), (75, 268315839), (99, 203269575), (135, 149064355), (159, 126564075), (165, 121961745), (225, 89438613), (265, 75938445), (275, 73177047), (297, 67756525), (477, 42188025), (495, 40653915), (583, 34517475), (675, 29812871), (795, 25312815), (825, 24392349), (1325, 15187689), (1431, 14062675), (1485, 13551305), (1749, 11505825), (2385, 8437605), (2475, 8130783), (2915, 6903495), (3975, 5062563), (5247, 3835275), (7155, 2812535), (7425, 2710261), (8745, 2301165), (11925, 1687521), (14575, 1380699), (15741, 1278425), (26235, 767055), (35775, 562507), (43725, 460233), (51137, 393525), (78705, 255685), (131175, 153411)]