20195244

素因数分解:

$2^2\times 3^5\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 53813760

約数和(自身を除く): 33618516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 263, 316, 324, 474, 486, 526, 711, 789, 948, 972, 1052, 1422, 1578, 2133, 2367, 2844, 3156, 4266, 4734, 6399, 7101, 8532, 9468, 12798, 14202, 19197, 20777, 21303, 25596, 28404, 38394, 41554, 42606, 62331, 63909, 76788, 83108, 85212, 124662, 127818, 186993, 249324, 255636, 373986, 560979, 747972, 1121958, 1682937, 2243916, 3365874, 5048811, 6731748, 10097622, 20195244]

約数ペア:

[(1, 20195244), (2, 10097622), (3, 6731748), (4, 5048811), (6, 3365874), (9, 2243916), (12, 1682937), (18, 1121958), (27, 747972), (36, 560979), (54, 373986), (79, 255636), (81, 249324), (108, 186993), (158, 127818), (162, 124662), (237, 85212), (243, 83108), (263, 76788), (316, 63909), (324, 62331), (474, 42606), (486, 41554), (526, 38394), (711, 28404), (789, 25596), (948, 21303), (972, 20777), (1052, 19197), (1422, 14202), (1578, 12798), (2133, 9468), (2367, 8532), (2844, 7101), (3156, 6399), (4266, 4734)]