20940090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2207

約数の個数: 64

約数和(自身を含む): 56039040

約数和(自身を除く): 35098950

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 2161, 3230, 4322, 4845, 6483, 9690, 10805, 12966, 21610, 32415, 36737, 41059, 64830, 73474, 82118, 110211, 123177, 183685, 205295, 220422, 246354, 367370, 410590, 551055, 615885, 698003, 1102110, 1231770, 1396006, 2094009, 3490015, 4188018, 6980030, 10470045, 20940090]

約数ペア:

[(1, 20940090), (2, 10470045), (3, 6980030), (5, 4188018), (6, 3490015), (10, 2094009), (15, 1396006), (17, 1231770), (19, 1102110), (30, 698003), (34, 615885), (38, 551055), (51, 410590), (57, 367370), (85, 246354), (95, 220422), (102, 205295), (114, 183685), (170, 123177), (190, 110211), (255, 82118), (285, 73474), (323, 64830), (510, 41059), (570, 36737), (646, 32415), (969, 21610), (1615, 12966), (1938, 10805), (2161, 9690), (3230, 6483), (4322, 4845)]