19934320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35597}}^1$

素因数の和:35617

約数の個数: 40

約数和(自身を含む): 52969824

約数和(自身を除く): 33035504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35597, 71194, 142388, 177985, 249179, 284776, 355970, 498358, 569552, 711940, 996716, 1245895, 1423880, 1993432, 2491790, 2847760, 3986864, 4983580, 9967160, 19934320]

約数ペア:

[(1, 19934320), (2, 9967160), (4, 4983580), (5, 3986864), (7, 2847760), (8, 2491790), (10, 1993432), (14, 1423880), (16, 1245895), (20, 996716), (28, 711940), (35, 569552), (40, 498358), (56, 355970), (70, 284776), (80, 249179), (112, 177985), (140, 142388), (280, 71194), (560, 35597)]