20342832720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12108829}}^1$

素因数の和:12108852

約数の個数: 80

約数和(自身を含む): 72071756160

約数和(自身を除く): 51728923440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12108829, 24217658, 36326487, 48435316, 60544145, 72652974, 84761803, 96870632, 121088290, 145305948, 169523606, 181632435, 193741264, 242176580, 254285409, 290611896, 339047212, 363264870, 423809015, 484353160, 508570818, 581223792, 678094424, 726529740, 847618030, 968706320, 1017141636, 1271427045, 1356188848, 1453059480, 1695236060, 2034283272, 2542854090, 2906118960, 3390472120, 4068566544, 5085708180, 6780944240, 10171416360, 20342832720]

約数ペア:

[(1, 20342832720), (2, 10171416360), (3, 6780944240), (4, 5085708180), (5, 4068566544), (6, 3390472120), (7, 2906118960), (8, 2542854090), (10, 2034283272), (12, 1695236060), (14, 1453059480), (15, 1356188848), (16, 1271427045), (20, 1017141636), (21, 968706320), (24, 847618030), (28, 726529740), (30, 678094424), (35, 581223792), (40, 508570818), (42, 484353160), (48, 423809015), (56, 363264870), (60, 339047212), (70, 290611896), (80, 254285409), (84, 242176580), (105, 193741264), (112, 181632435), (120, 169523606), (140, 145305948), (168, 121088290), (210, 96870632), (240, 84761803), (280, 72652974), (336, 60544145), (420, 48435316), (560, 36326487), (840, 24217658), (1680, 12108829)]