20245360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3049}}^1$

素因数の和:3145

約数の個数: 40

約数和(自身を含む): 47653200

約数和(自身を除く): 27407840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3049, 3320, 6098, 6640, 12196, 15245, 24392, 30490, 48784, 60980, 121960, 243920, 253067, 506134, 1012268, 1265335, 2024536, 2530670, 4049072, 5061340, 10122680, 20245360]

約数ペア:

[(1, 20245360), (2, 10122680), (4, 5061340), (5, 4049072), (8, 2530670), (10, 2024536), (16, 1265335), (20, 1012268), (40, 506134), (80, 253067), (83, 243920), (166, 121960), (332, 60980), (415, 48784), (664, 30490), (830, 24392), (1328, 15245), (1660, 12196), (3049, 6640), (3320, 6098)]