20863444

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39217}}^1$

素因数の和:39247

約数の個数: 24

約数和(自身を含む): 43924160

約数和(自身を除く): 23060716

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39217, 78434, 156868, 274519, 549038, 745123, 1098076, 1490246, 2980492, 5215861, 10431722, 20863444]

約数ペア:

[(1, 20863444), (2, 10431722), (4, 5215861), (7, 2980492), (14, 1490246), (19, 1098076), (28, 745123), (38, 549038), (76, 274519), (133, 156868), (266, 78434), (532, 39217)]