20512694895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{35591}}^1$

素因数の和:36116

約数の個数: 64

約数和(自身を含む): 41001984000

約数和(自身を除く): 20489289105

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 499, 1155, 1497, 2495, 3493, 5489, 7485, 10479, 16467, 17465, 27445, 35591, 38423, 52395, 82335, 106773, 115269, 177955, 192115, 249137, 391501, 533865, 576345, 747411, 1174503, 1245685, 1957505, 2740507, 3737055, 5872515, 8221521, 13702535, 17759909, 41107605, 53279727, 88799545, 124319363, 195358999, 266398635, 372958089, 586076997, 621596815, 976794995, 1367512993, 1864790445, 2930384985, 4102538979, 6837564965, 20512694895]

約数ペア:

[(1, 20512694895), (3, 6837564965), (5, 4102538979), (7, 2930384985), (11, 1864790445), (15, 1367512993), (21, 976794995), (33, 621596815), (35, 586076997), (55, 372958089), (77, 266398635), (105, 195358999), (165, 124319363), (231, 88799545), (385, 53279727), (499, 41107605), (1155, 17759909), (1497, 13702535), (2495, 8221521), (3493, 5872515), (5489, 3737055), (7485, 2740507), (10479, 1957505), (16467, 1245685), (17465, 1174503), (27445, 747411), (35591, 576345), (38423, 533865), (52395, 391501), (82335, 249137), (106773, 192115), (115269, 177955)]