20308701

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 13698339

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2213, 3059, 6639, 9177, 15491, 42047, 46473, 50899, 126141, 152697, 294329, 356293, 882987, 967081, 1068879, 2901243, 6769567, 20308701]

約数ペア:

[(1, 20308701), (3, 6769567), (7, 2901243), (19, 1068879), (21, 967081), (23, 882987), (57, 356293), (69, 294329), (133, 152697), (161, 126141), (399, 50899), (437, 46473), (483, 42047), (1311, 15491), (2213, 9177), (3059, 6639)]