20218171596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1\times {\mathrm{2213}}^1$

素因数の和:4071

約数の個数: 96

約数和(自身を含む): 54854489088

約数和(自身を除く): 34636317492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 1783, 2213, 2562, 3566, 4426, 5124, 5349, 6639, 7132, 8852, 10698, 12481, 13278, 15491, 21396, 24962, 26556, 30982, 37443, 46473, 49924, 61964, 74886, 92946, 108763, 134993, 149772, 185892, 217526, 269986, 326289, 404979, 435052, 539972, 652578, 761341, 809958, 944951, 1305156, 1522682, 1619916, 1889902, 2284023, 2834853, 3045364, 3779804, 3945779, 4568046, 5669706, 7891558, 9136092, 11339412, 11837337, 15783116, 23674674, 27620453, 47349348, 55240906, 82861359, 110481812, 165722718, 240692519, 331445436, 481385038, 722077557, 962770076, 1444155114, 1684847633, 2888310228, 3369695266, 5054542899, 6739390532, 10109085798, 20218171596]

約数ペア:

[(1, 20218171596), (2, 10109085798), (3, 6739390532), (4, 5054542899), (6, 3369695266), (7, 2888310228), (12, 1684847633), (14, 1444155114), (21, 962770076), (28, 722077557), (42, 481385038), (61, 331445436), (84, 240692519), (122, 165722718), (183, 110481812), (244, 82861359), (366, 55240906), (427, 47349348), (732, 27620453), (854, 23674674), (1281, 15783116), (1708, 11837337), (1783, 11339412), (2213, 9136092), (2562, 7891558), (3566, 5669706), (4426, 4568046), (5124, 3945779), (5349, 3779804), (6639, 3045364), (7132, 2834853), (8852, 2284023), (10698, 1889902), (12481, 1619916), (13278, 1522682), (15491, 1305156), (21396, 944951), (24962, 809958), (26556, 761341), (30982, 652578), (37443, 539972), (46473, 435052), (49924, 404979), (61964, 326289), (74886, 269986), (92946, 217526), (108763, 185892), (134993, 149772)]