201720530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{96517}}^1$

素因数の和:96554

約数の個数: 32

約数和(自身を含む): 416957760

約数和(自身を除く): 215237230

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 96517, 193034, 482585, 965170, 1061687, 1833823, 2123374, 3667646, 5308435, 9169115, 10616870, 18338230, 20172053, 40344106, 100860265, 201720530]

約数ペア:

[(1, 201720530), (2, 100860265), (5, 40344106), (10, 20172053), (11, 18338230), (19, 10616870), (22, 9169115), (38, 5308435), (55, 3667646), (95, 2123374), (110, 1833823), (190, 1061687), (209, 965170), (418, 482585), (1045, 193034), (2090, 96517)]