20512234320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4498297}}^1$

素因数の和:4498332

約数の個数: 80

約数和(自身を含む): 66934674240

約数和(自身を除く): 46422439920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4498297, 8996594, 13494891, 17993188, 22491485, 26989782, 35986376, 44982970, 53979564, 67474455, 71972752, 85467643, 89965940, 107959128, 134948910, 170935286, 179931880, 215918256, 256402929, 269897820, 341870572, 359863760, 427338215, 512805858, 539795640, 683741144, 854676430, 1025611716, 1079591280, 1282014645, 1367482288, 1709352860, 2051223432, 2564029290, 3418705720, 4102446864, 5128058580, 6837411440, 10256117160, 20512234320]

約数ペア:

[(1, 20512234320), (2, 10256117160), (3, 6837411440), (4, 5128058580), (5, 4102446864), (6, 3418705720), (8, 2564029290), (10, 2051223432), (12, 1709352860), (15, 1367482288), (16, 1282014645), (19, 1079591280), (20, 1025611716), (24, 854676430), (30, 683741144), (38, 539795640), (40, 512805858), (48, 427338215), (57, 359863760), (60, 341870572), (76, 269897820), (80, 256402929), (95, 215918256), (114, 179931880), (120, 170935286), (152, 134948910), (190, 107959128), (228, 89965940), (240, 85467643), (285, 71972752), (304, 67474455), (380, 53979564), (456, 44982970), (570, 35986376), (760, 26989782), (912, 22491485), (1140, 17993188), (1520, 13494891), (2280, 8996594), (4560, 4498297)]