20010060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15881}}^1$

素因数の和:15903

約数の個数: 72

約数和(自身を含む): 69372576

約数和(自身を除く): 49362516

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15881, 31762, 47643, 63524, 79405, 95286, 111167, 142929, 158810, 190572, 222334, 238215, 285858, 317620, 333501, 444668, 476430, 555835, 571716, 667002, 714645, 952860, 1000503, 1111670, 1334004, 1429290, 1667505, 2001006, 2223340, 2858580, 3335010, 4002012, 5002515, 6670020, 10005030, 20010060]

約数ペア:

[(1, 20010060), (2, 10005030), (3, 6670020), (4, 5002515), (5, 4002012), (6, 3335010), (7, 2858580), (9, 2223340), (10, 2001006), (12, 1667505), (14, 1429290), (15, 1334004), (18, 1111670), (20, 1000503), (21, 952860), (28, 714645), (30, 667002), (35, 571716), (36, 555835), (42, 476430), (45, 444668), (60, 333501), (63, 317620), (70, 285858), (84, 238215), (90, 222334), (105, 190572), (126, 158810), (140, 142929), (180, 111167), (210, 95286), (252, 79405), (315, 63524), (420, 47643), (630, 31762), (1260, 15881)]