20538993208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{555829}}^1$

素因数の和:556015

約数の個数: 32

約数和(自身を含む): 40019760000

約数和(自身を除く): 19480766792

約数列:

[1, 2, 4, 8, 31, 62, 124, 149, 248, 298, 596, 1192, 4619, 9238, 18476, 36952, 555829, 1111658, 2223316, 4446632, 17230699, 34461398, 68922796, 82818521, 137845592, 165637042, 331274084, 662548168, 2567374151, 5134748302, 10269496604, 20538993208]

約数ペア:

[(1, 20538993208), (2, 10269496604), (4, 5134748302), (8, 2567374151), (31, 662548168), (62, 331274084), (124, 165637042), (149, 137845592), (248, 82818521), (298, 68922796), (596, 34461398), (1192, 17230699), (4619, 4446632), (9238, 2223316), (18476, 1111658), (36952, 555829)]