20193210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2521}}^1$

素因数の和:2623

約数の個数: 48

約数和(自身を含む): 53113320

約数和(自身を除く): 32920110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2521, 2670, 4005, 5042, 7563, 8010, 12605, 15126, 22689, 25210, 37815, 45378, 75630, 113445, 224369, 226890, 448738, 673107, 1121845, 1346214, 2019321, 2243690, 3365535, 4038642, 6731070, 10096605, 20193210]

約数ペア:

[(1, 20193210), (2, 10096605), (3, 6731070), (5, 4038642), (6, 3365535), (9, 2243690), (10, 2019321), (15, 1346214), (18, 1121845), (30, 673107), (45, 448738), (89, 226890), (90, 224369), (178, 113445), (267, 75630), (445, 45378), (534, 37815), (801, 25210), (890, 22689), (1335, 15126), (1602, 12605), (2521, 8010), (2670, 7563), (4005, 5042)]