20405468174

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{21557}}^1$

素因数の和:22329

約数の個数: 48

約数和(自身を含む): 38397729888

約数和(自身を除く): 17992261714

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 743, 1274, 1486, 5201, 9659, 10402, 19318, 21557, 36407, 43114, 67613, 72814, 135226, 150899, 280241, 301798, 473291, 560482, 946582, 1056293, 1961687, 2112586, 3923374, 13731809, 16016851, 27463618, 32033702, 112117957, 208219063, 224235914, 416438126, 784825699, 1457533441, 1569651398, 2915066882, 10202734087, 20405468174]

約数ペア:

[(1, 20405468174), (2, 10202734087), (7, 2915066882), (13, 1569651398), (14, 1457533441), (26, 784825699), (49, 416438126), (91, 224235914), (98, 208219063), (182, 112117957), (637, 32033702), (743, 27463618), (1274, 16016851), (1486, 13731809), (5201, 3923374), (9659, 2112586), (10402, 1961687), (19318, 1056293), (21557, 946582), (36407, 560482), (43114, 473291), (67613, 301798), (72814, 280241), (135226, 150899)]