202011940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776969}}^1$

素因数の和:776991

約数の個数: 24

約数和(自身を含む): 456858360

約数和(自身を除く): 254846420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776969, 1553938, 3107876, 3884845, 7769690, 10100597, 15539380, 20201194, 40402388, 50502985, 101005970, 202011940]

約数ペア:

[(1, 202011940), (2, 101005970), (4, 50502985), (5, 40402388), (10, 20201194), (13, 15539380), (20, 10100597), (26, 7769690), (52, 3884845), (65, 3107876), (130, 1553938), (260, 776969)]