20901710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4783}}^1$

素因数の和:4832

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 20432050

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4783, 9566, 23915, 47830, 90877, 110009, 181754, 220018, 454385, 550045, 908770, 1100090, 2090171, 4180342, 10450855, 20901710]

約数ペア:

[(1, 20901710), (2, 10450855), (5, 4180342), (10, 2090171), (19, 1100090), (23, 908770), (38, 550045), (46, 454385), (95, 220018), (115, 181754), (190, 110009), (230, 90877), (437, 47830), (874, 23915), (2185, 9566), (4370, 4783)]