20830368

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16691}}^1$

素因数の和:16717

約数の個数: 48

約数和(自身を含む): 58889376

約数和(自身を除く): 38059008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16691, 33382, 50073, 66764, 100146, 133528, 200292, 216983, 267056, 400584, 433966, 534112, 650949, 801168, 867932, 1301898, 1602336, 1735864, 2603796, 3471728, 5207592, 6943456, 10415184, 20830368]

約数ペア:

[(1, 20830368), (2, 10415184), (3, 6943456), (4, 5207592), (6, 3471728), (8, 2603796), (12, 1735864), (13, 1602336), (16, 1301898), (24, 867932), (26, 801168), (32, 650949), (39, 534112), (48, 433966), (52, 400584), (78, 267056), (96, 216983), (104, 200292), (156, 133528), (208, 100146), (312, 66764), (416, 50073), (624, 33382), (1248, 16691)]