20615682

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 45711360

約数和(自身を除く): 25095678

約数列:

[1, 2, 3, 6, 23, 31, 46, 61, 62, 69, 79, 93, 122, 138, 158, 183, 186, 237, 366, 474, 713, 1403, 1426, 1817, 1891, 2139, 2449, 2806, 3634, 3782, 4209, 4278, 4819, 4898, 5451, 5673, 7347, 8418, 9638, 10902, 11346, 14457, 14694, 28914, 43493, 56327, 86986, 110837, 112654, 130479, 149389, 168981, 221674, 260958, 298778, 332511, 337962, 448167, 665022, 896334, 3435947, 6871894, 10307841, 20615682]

約数ペア:

[(1, 20615682), (2, 10307841), (3, 6871894), (6, 3435947), (23, 896334), (31, 665022), (46, 448167), (61, 337962), (62, 332511), (69, 298778), (79, 260958), (93, 221674), (122, 168981), (138, 149389), (158, 130479), (183, 112654), (186, 110837), (237, 86986), (366, 56327), (474, 43493), (713, 28914), (1403, 14694), (1426, 14457), (1817, 11346), (1891, 10902), (2139, 9638), (2449, 8418), (2806, 7347), (3634, 5673), (3782, 5451), (4209, 4898), (4278, 4819)]