20123012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{937}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 44123520

約数和(自身を除く): 24000508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 182, 236, 364, 413, 767, 826, 937, 1534, 1652, 1874, 3068, 3748, 5369, 6559, 10738, 12181, 13118, 21476, 24362, 26236, 48724, 55283, 85267, 110566, 170534, 221132, 341068, 386981, 718679, 773962, 1437358, 1547924, 2874716, 5030753, 10061506, 20123012]

約数ペア:

[(1, 20123012), (2, 10061506), (4, 5030753), (7, 2874716), (13, 1547924), (14, 1437358), (26, 773962), (28, 718679), (52, 386981), (59, 341068), (91, 221132), (118, 170534), (182, 110566), (236, 85267), (364, 55283), (413, 48724), (767, 26236), (826, 24362), (937, 21476), (1534, 13118), (1652, 12181), (1874, 10738), (3068, 6559), (3748, 5369)]