20321222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14152378

約数列:

[1, 2, 17, 19, 34, 38, 83, 166, 323, 379, 646, 758, 1411, 1577, 2822, 3154, 6443, 7201, 12886, 14402, 26809, 31457, 53618, 62914, 122417, 244834, 534769, 597683, 1069538, 1195366, 10160611, 20321222]

約数ペア:

[(1, 20321222), (2, 10160611), (17, 1195366), (19, 1069538), (34, 597683), (38, 534769), (83, 244834), (166, 122417), (323, 62914), (379, 53618), (646, 31457), (758, 26809), (1411, 14402), (1577, 12886), (2822, 7201), (3154, 6443)]