20179809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7499}}^1$

素因数の和:7541

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 12580191

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7499, 22497, 67491, 97487, 172477, 292461, 517431, 877383, 1552293, 2242201, 6726603, 20179809]

約数ペア:

[(1, 20179809), (3, 6726603), (9, 2242201), (13, 1552293), (23, 877383), (39, 517431), (69, 292461), (117, 172477), (207, 97487), (299, 67491), (897, 22497), (2691, 7499)]