20017320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5381}}^1$

素因数の和:5426

約数の個数: 64

約数和(自身を含む): 62000640

約数和(自身を除く): 41983320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5381, 10762, 16143, 21524, 26905, 32286, 43048, 53810, 64572, 80715, 107620, 129144, 161430, 166811, 215240, 322860, 333622, 500433, 645720, 667244, 834055, 1000866, 1334488, 1668110, 2001732, 2502165, 3336220, 4003464, 5004330, 6672440, 10008660, 20017320]

約数ペア:

[(1, 20017320), (2, 10008660), (3, 6672440), (4, 5004330), (5, 4003464), (6, 3336220), (8, 2502165), (10, 2001732), (12, 1668110), (15, 1334488), (20, 1000866), (24, 834055), (30, 667244), (31, 645720), (40, 500433), (60, 333622), (62, 322860), (93, 215240), (120, 166811), (124, 161430), (155, 129144), (186, 107620), (248, 80715), (310, 64572), (372, 53810), (465, 43048), (620, 32286), (744, 26905), (930, 21524), (1240, 16143), (1860, 10762), (3720, 5381)]