20744146

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 24

約数和(自身を含む): 33031152

約数和(自身を除く): 12287006

約数列:

[1, 2, 31, 43, 62, 86, 251, 502, 961, 1333, 1922, 2666, 7781, 10793, 15562, 21586, 41323, 82646, 241211, 334583, 482422, 669166, 10372073, 20744146]

約数ペア:

[(1, 20744146), (2, 10372073), (31, 669166), (43, 482422), (62, 334583), (86, 241211), (251, 82646), (502, 41323), (961, 21586), (1333, 15562), (1922, 10793), (2666, 7781)]