20335000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{83}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 56091420

約数和(自身を除く): 35756420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 83, 98, 100, 125, 140, 166, 175, 196, 200, 245, 250, 280, 332, 350, 392, 415, 490, 500, 581, 625, 664, 700, 830, 875, 980, 1000, 1162, 1225, 1250, 1400, 1660, 1750, 1960, 2075, 2324, 2450, 2500, 2905, 3320, 3500, 4067, 4150, 4375, 4648, 4900, 5000, 5810, 6125, 7000, 8134, 8300, 8750, 9800, 10375, 11620, 12250, 14525, 16268, 16600, 17500, 20335, 20750, 23240, 24500, 29050, 30625, 32536, 35000, 40670, 41500, 49000, 51875, 58100, 61250, 72625, 81340, 83000, 101675, 103750, 116200, 122500, 145250, 162680, 203350, 207500, 245000, 290500, 363125, 406700, 415000, 508375, 581000, 726250, 813400, 1016750, 1452500, 2033500, 2541875, 2905000, 4067000, 5083750, 10167500, 20335000]

約数ペア:

[(1, 20335000), (2, 10167500), (4, 5083750), (5, 4067000), (7, 2905000), (8, 2541875), (10, 2033500), (14, 1452500), (20, 1016750), (25, 813400), (28, 726250), (35, 581000), (40, 508375), (49, 415000), (50, 406700), (56, 363125), (70, 290500), (83, 245000), (98, 207500), (100, 203350), (125, 162680), (140, 145250), (166, 122500), (175, 116200), (196, 103750), (200, 101675), (245, 83000), (250, 81340), (280, 72625), (332, 61250), (350, 58100), (392, 51875), (415, 49000), (490, 41500), (500, 40670), (581, 35000), (625, 32536), (664, 30625), (700, 29050), (830, 24500), (875, 23240), (980, 20750), (1000, 20335), (1162, 17500), (1225, 16600), (1250, 16268), (1400, 14525), (1660, 12250), (1750, 11620), (1960, 10375), (2075, 9800), (2324, 8750), (2450, 8300), (2500, 8134), (2905, 7000), (3320, 6125), (3500, 5810), (4067, 5000), (4150, 4900), (4375, 4648)]