20037080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10223}}^1$

素因数の和:10248

約数の個数: 48

約数和(自身を含む): 52449120

約数和(自身を除く): 32412040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10223, 20446, 40892, 51115, 71561, 81784, 102230, 143122, 204460, 286244, 357805, 408920, 500927, 572488, 715610, 1001854, 1431220, 2003708, 2504635, 2862440, 4007416, 5009270, 10018540, 20037080]

約数ペア:

[(1, 20037080), (2, 10018540), (4, 5009270), (5, 4007416), (7, 2862440), (8, 2504635), (10, 2003708), (14, 1431220), (20, 1001854), (28, 715610), (35, 572488), (40, 500927), (49, 408920), (56, 357805), (70, 286244), (98, 204460), (140, 143122), (196, 102230), (245, 81784), (280, 71561), (392, 51115), (490, 40892), (980, 20446), (1960, 10223)]