20313128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12149}}^1$

素因数の和:12185

約数の個数: 32

約数和(自身を含む): 43740000

約数和(自身を除く): 23426872

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12149, 24298, 48596, 97192, 133639, 230831, 267278, 461662, 534556, 923324, 1069112, 1846648, 2539141, 5078282, 10156564, 20313128]

約数ペア:

[(1, 20313128), (2, 10156564), (4, 5078282), (8, 2539141), (11, 1846648), (19, 1069112), (22, 923324), (38, 534556), (44, 461662), (76, 267278), (88, 230831), (152, 133639), (209, 97192), (418, 48596), (836, 24298), (1672, 12149)]