20197208020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5400323}}^1$

素因数の和:5400360

約数の個数: 48

約数和(自身を含む): 48991739328

約数和(自身を除く): 28794531308

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5400323, 10800646, 21601292, 27001615, 54003230, 59403553, 91805491, 108006460, 118807106, 183610982, 237614212, 297017765, 367221964, 459027455, 594035530, 918054910, 1009860401, 1188071060, 1836109820, 2019720802, 4039441604, 5049302005, 10098604010, 20197208020]

約数ペア:

[(1, 20197208020), (2, 10098604010), (4, 5049302005), (5, 4039441604), (10, 2019720802), (11, 1836109820), (17, 1188071060), (20, 1009860401), (22, 918054910), (34, 594035530), (44, 459027455), (55, 367221964), (68, 297017765), (85, 237614212), (110, 183610982), (170, 118807106), (187, 108006460), (220, 91805491), (340, 59403553), (374, 54003230), (748, 27001615), (935, 21601292), (1870, 10800646), (3740, 5400323)]