20199117764

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{56897}}^1$

素因数の和:57348

約数の個数: 48

約数和(自身を含む): 41804098560

約数和(自身を除く): 21604980796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 409, 434, 818, 868, 1636, 2863, 5726, 11452, 12679, 25358, 50716, 56897, 88753, 113794, 177506, 227588, 355012, 398279, 796558, 1593116, 1763807, 3527614, 7055228, 12346649, 23270873, 24693298, 46541746, 49386596, 93083492, 162896111, 325792222, 651584444, 721397063, 1442794126, 2885588252, 5049779441, 10099558882, 20199117764]

約数ペア:

[(1, 20199117764), (2, 10099558882), (4, 5049779441), (7, 2885588252), (14, 1442794126), (28, 721397063), (31, 651584444), (62, 325792222), (124, 162896111), (217, 93083492), (409, 49386596), (434, 46541746), (818, 24693298), (868, 23270873), (1636, 12346649), (2863, 7055228), (5726, 3527614), (11452, 1763807), (12679, 1593116), (25358, 796558), (50716, 398279), (56897, 355012), (88753, 227588), (113794, 177506)]