20540754

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2141}}^1$

素因数の和:2203

約数の個数: 48

約数和(自身を含む): 49120344

約数和(自身を除く): 28579590

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2141, 3198, 4282, 4797, 6423, 9594, 12846, 19269, 27833, 38538, 55666, 83499, 87781, 166998, 175562, 250497, 263343, 500994, 526686, 790029, 1141153, 1580058, 2282306, 3423459, 6846918, 10270377, 20540754]

約数ペア:

[(1, 20540754), (2, 10270377), (3, 6846918), (6, 3423459), (9, 2282306), (13, 1580058), (18, 1141153), (26, 790029), (39, 526686), (41, 500994), (78, 263343), (82, 250497), (117, 175562), (123, 166998), (234, 87781), (246, 83499), (369, 55666), (533, 38538), (738, 27833), (1066, 19269), (1599, 12846), (2141, 9594), (3198, 6423), (4282, 4797)]