200820920

素因数分解:

$2^3\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{3413}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 452286720

約数和(自身を除く): 251465800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1471, 2942, 3413, 5884, 6826, 7355, 11768, 13652, 14710, 17065, 27304, 29420, 34130, 58840, 68260, 136520, 5020523, 10041046, 20082092, 25102615, 40164184, 50205230, 100410460, 200820920]

約数ペア:

[(1, 200820920), (2, 100410460), (4, 50205230), (5, 40164184), (8, 25102615), (10, 20082092), (20, 10041046), (40, 5020523), (1471, 136520), (2942, 68260), (3413, 58840), (5884, 34130), (6826, 29420), (7355, 27304), (11768, 17065), (13652, 14710)]