19962420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19571}}^1$

素因数の和:19600

約数の個数: 48

約数和(自身を含む): 59185728

約数和(自身を除く): 39223308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19571, 39142, 58713, 78284, 97855, 117426, 195710, 234852, 293565, 332707, 391420, 587130, 665414, 998121, 1174260, 1330828, 1663535, 1996242, 3327070, 3992484, 4990605, 6654140, 9981210, 19962420]

約数ペア:

[(1, 19962420), (2, 9981210), (3, 6654140), (4, 4990605), (5, 3992484), (6, 3327070), (10, 1996242), (12, 1663535), (15, 1330828), (17, 1174260), (20, 998121), (30, 665414), (34, 587130), (51, 391420), (60, 332707), (68, 293565), (85, 234852), (102, 195710), (170, 117426), (204, 97855), (255, 78284), (340, 58713), (510, 39142), (1020, 19571)]