20161945160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1756267}}^1$

素因数の和:1756326

約数の個数: 64

約数和(自身を含む): 53109544320

約数和(自身を除く): 32947599160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 1756267, 3512534, 7025068, 8781335, 12293869, 14050136, 17562670, 24587738, 35125340, 49175476, 61469345, 70250680, 72006947, 98350952, 122938690, 144013894, 245877380, 288027788, 360034735, 491754760, 504048629, 576055576, 720069470, 1008097258, 1440138940, 2016194516, 2520243145, 2880277880, 4032389032, 5040486290, 10080972580, 20161945160]

約数ペア:

[(1, 20161945160), (2, 10080972580), (4, 5040486290), (5, 4032389032), (7, 2880277880), (8, 2520243145), (10, 2016194516), (14, 1440138940), (20, 1008097258), (28, 720069470), (35, 576055576), (40, 504048629), (41, 491754760), (56, 360034735), (70, 288027788), (82, 245877380), (140, 144013894), (164, 122938690), (205, 98350952), (280, 72006947), (287, 70250680), (328, 61469345), (410, 49175476), (574, 35125340), (820, 24587738), (1148, 17562670), (1435, 14050136), (1640, 12293869), (2296, 8781335), (2870, 7025068), (5740, 3512534), (11480, 1756267)]