20123994248

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3229139}}^1$

素因数の和:3229205

約数の個数: 32

約数和(自身を含む): 40687164000

約数和(自身を除く): 20563169752

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 3229139, 6458278, 12916556, 25833112, 61353641, 122707282, 132394699, 245414564, 264789398, 490829128, 529578796, 1059157592, 2515499281, 5030998562, 10061997124, 20123994248]

約数ペア:

[(1, 20123994248), (2, 10061997124), (4, 5030998562), (8, 2515499281), (19, 1059157592), (38, 529578796), (41, 490829128), (76, 264789398), (82, 245414564), (152, 132394699), (164, 122707282), (328, 61353641), (779, 25833112), (1558, 12916556), (3116, 6458278), (6232, 3229139)]