20010480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 72804864

約数和(自身を除く): 52794384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 277, 280, 301, 336, 344, 420, 430, 516, 554, 560, 602, 645, 688, 831, 840, 860, 903, 1032, 1108, 1204, 1290, 1385, 1505, 1662, 1680, 1720, 1806, 1939, 2064, 2216, 2408, 2580, 2770, 3010, 3324, 3440, 3612, 3878, 4155, 4432, 4515, 4816, 5160, 5540, 5817, 6020, 6648, 7224, 7756, 8310, 9030, 9695, 10320, 11080, 11634, 11911, 12040, 13296, 14448, 15512, 16620, 18060, 19390, 22160, 23268, 23822, 24080, 29085, 31024, 33240, 35733, 36120, 38780, 46536, 47644, 58170, 59555, 66480, 71466, 72240, 77560, 83377, 93072, 95288, 116340, 119110, 142932, 155120, 166754, 178665, 190576, 232680, 238220, 250131, 285864, 333508, 357330, 416885, 465360, 476440, 500262, 571728, 667016, 714660, 833770, 952880, 1000524, 1250655, 1334032, 1429320, 1667540, 2001048, 2501310, 2858640, 3335080, 4002096, 5002620, 6670160, 10005240, 20010480]

約数ペア:

[(1, 20010480), (2, 10005240), (3, 6670160), (4, 5002620), (5, 4002096), (6, 3335080), (7, 2858640), (8, 2501310), (10, 2001048), (12, 1667540), (14, 1429320), (15, 1334032), (16, 1250655), (20, 1000524), (21, 952880), (24, 833770), (28, 714660), (30, 667016), (35, 571728), (40, 500262), (42, 476440), (43, 465360), (48, 416885), (56, 357330), (60, 333508), (70, 285864), (80, 250131), (84, 238220), (86, 232680), (105, 190576), (112, 178665), (120, 166754), (129, 155120), (140, 142932), (168, 119110), (172, 116340), (210, 95288), (215, 93072), (240, 83377), (258, 77560), (277, 72240), (280, 71466), (301, 66480), (336, 59555), (344, 58170), (420, 47644), (430, 46536), (516, 38780), (554, 36120), (560, 35733), (602, 33240), (645, 31024), (688, 29085), (831, 24080), (840, 23822), (860, 23268), (903, 22160), (1032, 19390), (1108, 18060), (1204, 16620), (1290, 15512), (1385, 14448), (1505, 13296), (1662, 12040), (1680, 11911), (1720, 11634), (1806, 11080), (1939, 10320), (2064, 9695), (2216, 9030), (2408, 8310), (2580, 7756), (2770, 7224), (3010, 6648), (3324, 6020), (3440, 5817), (3612, 5540), (3878, 5160), (4155, 4816), (4432, 4515)]