20936698720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{18693481}}^1$

素因数の和:18693503

約数の個数: 48

約数和(自身を含む): 56529089568

約数和(自身を除く): 35592390848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 18693481, 37386962, 74773924, 93467405, 130854367, 149547848, 186934810, 261708734, 299095696, 373869620, 523417468, 598191392, 654271835, 747739240, 1046834936, 1308543670, 1495478480, 2093669872, 2617087340, 2990956960, 4187339744, 5234174680, 10468349360, 20936698720]

約数ペア:

[(1, 20936698720), (2, 10468349360), (4, 5234174680), (5, 4187339744), (7, 2990956960), (8, 2617087340), (10, 2093669872), (14, 1495478480), (16, 1308543670), (20, 1046834936), (28, 747739240), (32, 654271835), (35, 598191392), (40, 523417468), (56, 373869620), (70, 299095696), (80, 261708734), (112, 186934810), (140, 149547848), (160, 130854367), (224, 93467405), (280, 74773924), (560, 37386962), (1120, 18693481)]