20446230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{1987}}^1$

素因数の和:2018

約数の個数: 64

約数和(自身を含む): 57254400

約数和(自身を除く): 36808170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 1987, 2058, 3430, 3974, 5145, 5961, 9935, 10290, 11922, 13909, 19870, 27818, 29805, 41727, 59610, 69545, 83454, 97363, 139090, 194726, 208635, 292089, 417270, 486815, 584178, 681541, 973630, 1363082, 1460445, 2044623, 2920890, 3407705, 4089246, 6815410, 10223115, 20446230]

約数ペア:

[(1, 20446230), (2, 10223115), (3, 6815410), (5, 4089246), (6, 3407705), (7, 2920890), (10, 2044623), (14, 1460445), (15, 1363082), (21, 973630), (30, 681541), (35, 584178), (42, 486815), (49, 417270), (70, 292089), (98, 208635), (105, 194726), (147, 139090), (210, 97363), (245, 83454), (294, 69545), (343, 59610), (490, 41727), (686, 29805), (735, 27818), (1029, 19870), (1470, 13909), (1715, 11922), (1987, 10290), (2058, 9935), (3430, 5961), (3974, 5145)]