20060704

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 21186656

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 86, 122, 172, 239, 244, 344, 478, 488, 688, 956, 976, 1376, 1912, 1952, 2623, 3824, 5246, 7648, 10277, 10492, 14579, 20554, 20984, 29158, 41108, 41968, 58316, 82216, 83936, 116632, 164432, 233264, 328864, 466528, 626897, 1253794, 2507588, 5015176, 10030352, 20060704]

約数ペア:

[(1, 20060704), (2, 10030352), (4, 5015176), (8, 2507588), (16, 1253794), (32, 626897), (43, 466528), (61, 328864), (86, 233264), (122, 164432), (172, 116632), (239, 83936), (244, 82216), (344, 58316), (478, 41968), (488, 41108), (688, 29158), (956, 20984), (976, 20554), (1376, 14579), (1912, 10492), (1952, 10277), (2623, 7648), (3824, 5246)]