20335788

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 56805840

約数和(自身を除く): 36470052

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 89, 99, 132, 178, 198, 267, 356, 396, 534, 577, 801, 979, 1068, 1154, 1602, 1731, 1958, 2308, 2937, 3204, 3462, 3916, 5193, 5874, 6347, 6924, 8811, 10386, 11748, 12694, 17622, 19041, 20772, 25388, 35244, 38082, 51353, 57123, 76164, 102706, 114246, 154059, 205412, 228492, 308118, 462177, 564883, 616236, 924354, 1129766, 1694649, 1848708, 2259532, 3389298, 5083947, 6778596, 10167894, 20335788]

約数ペア:

[(1, 20335788), (2, 10167894), (3, 6778596), (4, 5083947), (6, 3389298), (9, 2259532), (11, 1848708), (12, 1694649), (18, 1129766), (22, 924354), (33, 616236), (36, 564883), (44, 462177), (66, 308118), (89, 228492), (99, 205412), (132, 154059), (178, 114246), (198, 102706), (267, 76164), (356, 57123), (396, 51353), (534, 38082), (577, 35244), (801, 25388), (979, 20772), (1068, 19041), (1154, 17622), (1602, 12694), (1731, 11748), (1958, 10386), (2308, 8811), (2937, 6924), (3204, 6347), (3462, 5874), (3916, 5193)]