20169974020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{446041}}^1$

素因数の和:446093

約数の個数: 96

約数和(自身を含む): 53953240320

約数和(自身を除く): 33783266300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 3230, 4522, 6460, 9044, 11305, 22610, 45220, 446041, 892082, 1784164, 2230205, 3122287, 4460410, 6244574, 7582697, 8474779, 8920820, 12489148, 15165394, 15611435, 16949558, 30330788, 31222870, 33899116, 37913485, 42373895, 53078879, 59323453, 62445740, 75826970, 84747790, 106157758, 118646906, 144071243, 151653940, 169495580, 212315516, 237293812, 265394395, 288142486, 296617265, 530788790, 576284972, 593234530, 720356215, 1008498701, 1061577580, 1186469060, 1440712430, 2016997402, 2881424860, 4033994804, 5042493505, 10084987010, 20169974020]

約数ペア:

[(1, 20169974020), (2, 10084987010), (4, 5042493505), (5, 4033994804), (7, 2881424860), (10, 2016997402), (14, 1440712430), (17, 1186469060), (19, 1061577580), (20, 1008498701), (28, 720356215), (34, 593234530), (35, 576284972), (38, 530788790), (68, 296617265), (70, 288142486), (76, 265394395), (85, 237293812), (95, 212315516), (119, 169495580), (133, 151653940), (140, 144071243), (170, 118646906), (190, 106157758), (238, 84747790), (266, 75826970), (323, 62445740), (340, 59323453), (380, 53078879), (476, 42373895), (532, 37913485), (595, 33899116), (646, 31222870), (665, 30330788), (1190, 16949558), (1292, 15611435), (1330, 15165394), (1615, 12489148), (2261, 8920820), (2380, 8474779), (2660, 7582697), (3230, 6244574), (4522, 4460410), (6460, 3122287), (9044, 2230205), (11305, 1784164), (22610, 892082), (45220, 446041)]