20727616

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3559}}^1$

素因数の和:3591

約数の個数: 56

約数和(自身を含む): 50637440

約数和(自身を除く): 29909824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3559, 5824, 7118, 14236, 24913, 28472, 46267, 49826, 56944, 92534, 99652, 113888, 185068, 199304, 227776, 323869, 370136, 398608, 647738, 740272, 797216, 1295476, 1480544, 1594432, 2590952, 2961088, 5181904, 10363808, 20727616]

約数ペア:

[(1, 20727616), (2, 10363808), (4, 5181904), (7, 2961088), (8, 2590952), (13, 1594432), (14, 1480544), (16, 1295476), (26, 797216), (28, 740272), (32, 647738), (52, 398608), (56, 370136), (64, 323869), (91, 227776), (104, 199304), (112, 185068), (182, 113888), (208, 99652), (224, 92534), (364, 56944), (416, 49826), (448, 46267), (728, 28472), (832, 24913), (1456, 14236), (2912, 7118), (3559, 5824)]