20542382

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2663}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 17819218

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 2663, 3857, 5326, 7714, 18641, 37282, 50597, 77227, 101194, 154454, 354179, 540589, 708358, 1081178, 1467313, 2934626, 10271191, 20542382]

約数ペア:

[(1, 20542382), (2, 10271191), (7, 2934626), (14, 1467313), (19, 1081178), (29, 708358), (38, 540589), (58, 354179), (133, 154454), (203, 101194), (266, 77227), (406, 50597), (551, 37282), (1102, 18641), (2663, 7714), (3857, 5326)]