20816856

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15217}}^1$

素因数の和:15248

約数の個数: 48

約数和(自身を含む): 59350200

約数和(自身を除く): 38533344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15217, 30434, 45651, 60868, 91302, 121736, 136953, 182604, 273906, 289123, 365208, 547812, 578246, 867369, 1095624, 1156492, 1734738, 2312984, 2602107, 3469476, 5204214, 6938952, 10408428, 20816856]

約数ペア:

[(1, 20816856), (2, 10408428), (3, 6938952), (4, 5204214), (6, 3469476), (8, 2602107), (9, 2312984), (12, 1734738), (18, 1156492), (19, 1095624), (24, 867369), (36, 578246), (38, 547812), (57, 365208), (72, 289123), (76, 273906), (114, 182604), (152, 136953), (171, 121736), (228, 91302), (342, 60868), (456, 45651), (684, 30434), (1368, 15217)]