20368872

素因数分解:

$2^3\times 3^2\times {\mathrm{101}}^1\times {\mathrm{2801}}^1$

素因数の和:2914

約数の個数: 48

約数和(自身を含む): 55731780

約数和(自身を除く): 35362908

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 101, 202, 303, 404, 606, 808, 909, 1212, 1818, 2424, 2801, 3636, 5602, 7272, 8403, 11204, 16806, 22408, 25209, 33612, 50418, 67224, 100836, 201672, 282901, 565802, 848703, 1131604, 1697406, 2263208, 2546109, 3394812, 5092218, 6789624, 10184436, 20368872]

約数ペア:

[(1, 20368872), (2, 10184436), (3, 6789624), (4, 5092218), (6, 3394812), (8, 2546109), (9, 2263208), (12, 1697406), (18, 1131604), (24, 848703), (36, 565802), (72, 282901), (101, 201672), (202, 100836), (303, 67224), (404, 50418), (606, 33612), (808, 25209), (909, 22408), (1212, 16806), (1818, 11204), (2424, 8403), (2801, 7272), (3636, 5602)]