20152841840

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{266009}}^1$

素因数の和:266969

約数の個数: 40

約数和(自身を含む): 46905011280

約数和(自身を除く): 26752169440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1894, 3788, 4735, 7576, 9470, 15152, 18940, 37880, 75760, 266009, 532018, 1064036, 1330045, 2128072, 2660090, 4256144, 5320180, 10640360, 21280720, 251910523, 503821046, 1007642092, 1259552615, 2015284184, 2519105230, 4030568368, 5038210460, 10076420920, 20152841840]

約数ペア:

[(1, 20152841840), (2, 10076420920), (4, 5038210460), (5, 4030568368), (8, 2519105230), (10, 2015284184), (16, 1259552615), (20, 1007642092), (40, 503821046), (80, 251910523), (947, 21280720), (1894, 10640360), (3788, 5320180), (4735, 4256144), (7576, 2660090), (9470, 2128072), (15152, 1330045), (18940, 1064036), (37880, 532018), (75760, 266009)]