20621688

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 35019912

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 76, 82, 114, 123, 152, 164, 228, 246, 328, 456, 492, 779, 984, 1103, 1558, 2206, 2337, 3116, 3309, 4412, 4674, 6232, 6618, 8824, 9348, 13236, 18696, 20957, 26472, 41914, 45223, 62871, 83828, 90446, 125742, 135669, 167656, 180892, 251484, 271338, 361784, 502968, 542676, 859237, 1085352, 1718474, 2577711, 3436948, 5155422, 6873896, 10310844, 20621688]

約数ペア:

[(1, 20621688), (2, 10310844), (3, 6873896), (4, 5155422), (6, 3436948), (8, 2577711), (12, 1718474), (19, 1085352), (24, 859237), (38, 542676), (41, 502968), (57, 361784), (76, 271338), (82, 251484), (114, 180892), (123, 167656), (152, 135669), (164, 125742), (228, 90446), (246, 83828), (328, 62871), (456, 45223), (492, 41914), (779, 26472), (984, 20957), (1103, 18696), (1558, 13236), (2206, 9348), (2337, 8824), (3116, 6618), (3309, 6232), (4412, 4674)]