20576724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{503}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 55093248

約数和(自身を除く): 34516524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 487, 503, 974, 1006, 1461, 1509, 1948, 2012, 2922, 3018, 3409, 3521, 5844, 6036, 6818, 7042, 10227, 10563, 13636, 14084, 20454, 21126, 40908, 42252, 244961, 489922, 734883, 979844, 1469766, 1714727, 2939532, 3429454, 5144181, 6858908, 10288362, 20576724]

約数ペア:

[(1, 20576724), (2, 10288362), (3, 6858908), (4, 5144181), (6, 3429454), (7, 2939532), (12, 1714727), (14, 1469766), (21, 979844), (28, 734883), (42, 489922), (84, 244961), (487, 42252), (503, 40908), (974, 21126), (1006, 20454), (1461, 14084), (1509, 13636), (1948, 10563), (2012, 10227), (2922, 7042), (3018, 6818), (3409, 6036), (3521, 5844)]