20134575920

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2309011}}^1$

素因数の和:2309133

約数の個数: 40

約数和(自身を含む): 47242385520

約数和(自身を除く): 27107809600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 2309011, 4618022, 9236044, 11545055, 18472088, 23090110, 36944176, 46180220, 92360440, 184720880, 251682199, 503364398, 1006728796, 1258410995, 2013457592, 2516821990, 4026915184, 5033643980, 10067287960, 20134575920]

約数ペア:

[(1, 20134575920), (2, 10067287960), (4, 5033643980), (5, 4026915184), (8, 2516821990), (10, 2013457592), (16, 1258410995), (20, 1006728796), (40, 503364398), (80, 251682199), (109, 184720880), (218, 92360440), (436, 46180220), (545, 36944176), (872, 23090110), (1090, 18472088), (1744, 11545055), (2180, 9236044), (4360, 4618022), (8720, 2309011)]