20280252

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 50712480

約数和(自身を除く): 30432228

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 356, 534, 1068, 1117, 1513, 2234, 3026, 3351, 4468, 4539, 6052, 6702, 9078, 13404, 18156, 18989, 37978, 56967, 75956, 99413, 113934, 198826, 227868, 298239, 397652, 596478, 1192956, 1690021, 3380042, 5070063, 6760084, 10140126, 20280252]

約数ペア:

[(1, 20280252), (2, 10140126), (3, 6760084), (4, 5070063), (6, 3380042), (12, 1690021), (17, 1192956), (34, 596478), (51, 397652), (68, 298239), (89, 227868), (102, 198826), (178, 113934), (204, 99413), (267, 75956), (356, 56967), (534, 37978), (1068, 18989), (1117, 18156), (1513, 13404), (2234, 9078), (3026, 6702), (3351, 6052), (4468, 4539)]