20282742

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 45846528

約数和(自身を除く): 25563786

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 163, 186, 223, 279, 326, 446, 489, 558, 669, 978, 1338, 1467, 2007, 2934, 4014, 5053, 6913, 10106, 13826, 15159, 20739, 30318, 36349, 41478, 45477, 62217, 72698, 90954, 109047, 124434, 218094, 327141, 654282, 1126819, 2253638, 3380457, 6760914, 10141371, 20282742]

約数ペア:

[(1, 20282742), (2, 10141371), (3, 6760914), (6, 3380457), (9, 2253638), (18, 1126819), (31, 654282), (62, 327141), (93, 218094), (163, 124434), (186, 109047), (223, 90954), (279, 72698), (326, 62217), (446, 45477), (489, 41478), (558, 36349), (669, 30318), (978, 20739), (1338, 15159), (1467, 13826), (2007, 10106), (2934, 6913), (4014, 5053)]