20330320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5407}}^1$

素因数の和:5467

約数の個数: 40

約数和(自身を含む): 48282624

約数和(自身を除く): 27952304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5407, 10814, 21628, 27035, 43256, 54070, 86512, 108140, 216280, 254129, 432560, 508258, 1016516, 1270645, 2033032, 2541290, 4066064, 5082580, 10165160, 20330320]

約数ペア:

[(1, 20330320), (2, 10165160), (4, 5082580), (5, 4066064), (8, 2541290), (10, 2033032), (16, 1270645), (20, 1016516), (40, 508258), (47, 432560), (80, 254129), (94, 216280), (188, 108140), (235, 86512), (376, 54070), (470, 43256), (752, 27035), (940, 21628), (1880, 10814), (3760, 5407)]