20751344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68261}}^1$

素因数の和:68288

約数の個数: 20

約数和(自身を含む): 42322440

約数和(自身を除く): 21571096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68261, 136522, 273044, 546088, 1092176, 1296959, 2593918, 5187836, 10375672, 20751344]

約数ペア:

[(1, 20751344), (2, 10375672), (4, 5187836), (8, 2593918), (16, 1296959), (19, 1092176), (38, 546088), (76, 273044), (152, 136522), (304, 68261)]