20039796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 58304064

約数和(自身を除く): 38264268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 283, 562, 566, 843, 849, 1124, 1132, 1686, 1698, 1967, 1981, 2529, 2547, 3372, 3396, 3934, 3962, 5058, 5094, 5901, 5943, 7868, 7924, 10116, 10188, 11802, 11886, 17703, 17829, 23604, 23772, 35406, 35658, 70812, 71316, 79523, 159046, 238569, 318092, 477138, 556661, 715707, 954276, 1113322, 1431414, 1669983, 2226644, 2862828, 3339966, 5009949, 6679932, 10019898, 20039796]

約数ペア:

[(1, 20039796), (2, 10019898), (3, 6679932), (4, 5009949), (6, 3339966), (7, 2862828), (9, 2226644), (12, 1669983), (14, 1431414), (18, 1113322), (21, 954276), (28, 715707), (36, 556661), (42, 477138), (63, 318092), (84, 238569), (126, 159046), (252, 79523), (281, 71316), (283, 70812), (562, 35658), (566, 35406), (843, 23772), (849, 23604), (1124, 17829), (1132, 17703), (1686, 11886), (1698, 11802), (1967, 10188), (1981, 10116), (2529, 7924), (2547, 7868), (3372, 5943), (3396, 5901), (3934, 5094), (3962, 5058)]