20163553214

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{809}}^1\times {\mathrm{1291}}^1$

素因数の和:2313

約数の個数: 48

約数和(自身を含む): 35433074160

約数和(自身を除く): 15269520946

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 809, 1291, 1379, 1618, 2582, 2758, 5663, 9037, 9653, 11326, 18074, 19306, 39641, 63259, 79282, 126518, 159373, 254327, 318746, 508654, 1044419, 1115611, 1780289, 2088838, 2231222, 3560578, 7310933, 7809277, 12462023, 14621866, 15618554, 24924046, 51176531, 102353062, 205750543, 411501086, 1440253801, 2880507602, 10081776607, 20163553214]

約数ペア:

[(1, 20163553214), (2, 10081776607), (7, 2880507602), (14, 1440253801), (49, 411501086), (98, 205750543), (197, 102353062), (394, 51176531), (809, 24924046), (1291, 15618554), (1379, 14621866), (1618, 12462023), (2582, 7809277), (2758, 7310933), (5663, 3560578), (9037, 2231222), (9653, 2088838), (11326, 1780289), (18074, 1115611), (19306, 1044419), (39641, 508654), (63259, 318746), (79282, 254327), (126518, 159373)]