20001476776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{230453}}^1$

素因数の和:231049

約数の個数: 32

約数和(自身を含む): 39545906400

約数和(自身を除く): 19544429624

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 571, 1142, 2284, 4568, 10849, 21698, 43396, 86792, 230453, 460906, 921812, 1843624, 4378607, 8757214, 17514428, 35028856, 131588663, 263177326, 526354652, 1052709304, 2500184597, 5000369194, 10000738388, 20001476776]

約数ペア:

[(1, 20001476776), (2, 10000738388), (4, 5000369194), (8, 2500184597), (19, 1052709304), (38, 526354652), (76, 263177326), (152, 131588663), (571, 35028856), (1142, 17514428), (2284, 8757214), (4568, 4378607), (10849, 1843624), (21698, 921812), (43396, 460906), (86792, 230453)]