20385210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39971}}^1$

素因数の和:39998

約数の個数: 32

約数和(自身を含む): 51803712

約数和(自身を除く): 31418502

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 39971, 79942, 119913, 199855, 239826, 399710, 599565, 679507, 1199130, 1359014, 2038521, 3397535, 4077042, 6795070, 10192605, 20385210]

約数ペア:

[(1, 20385210), (2, 10192605), (3, 6795070), (5, 4077042), (6, 3397535), (10, 2038521), (15, 1359014), (17, 1199130), (30, 679507), (34, 599565), (51, 399710), (85, 239826), (102, 199855), (170, 119913), (255, 79942), (510, 39971)]