20897610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14821}}^1$

素因数の和:14878

約数の個数: 32

約数和(自身を含む): 51224832

約数和(自身を除く): 30327222

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14821, 29642, 44463, 74105, 88926, 148210, 222315, 444630, 696587, 1393174, 2089761, 3482935, 4179522, 6965870, 10448805, 20897610]

約数ペア:

[(1, 20897610), (2, 10448805), (3, 6965870), (5, 4179522), (6, 3482935), (10, 2089761), (15, 1393174), (30, 696587), (47, 444630), (94, 222315), (141, 148210), (235, 88926), (282, 74105), (470, 44463), (705, 29642), (1410, 14821)]