20866824

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26347}}^1$

素因数の和:26370

約数の個数: 48

約数和(自身を含む): 61654320

約数和(自身を除く): 40787496

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26347, 52694, 79041, 105388, 158082, 210776, 237123, 289817, 316164, 474246, 579634, 632328, 869451, 948492, 1159268, 1738902, 1896984, 2318536, 2608353, 3477804, 5216706, 6955608, 10433412, 20866824]

約数ペア:

[(1, 20866824), (2, 10433412), (3, 6955608), (4, 5216706), (6, 3477804), (8, 2608353), (9, 2318536), (11, 1896984), (12, 1738902), (18, 1159268), (22, 948492), (24, 869451), (33, 632328), (36, 579634), (44, 474246), (66, 316164), (72, 289817), (88, 237123), (99, 210776), (132, 158082), (198, 105388), (264, 79041), (396, 52694), (792, 26347)]