2021604940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{19777}}^1$

素因数の和:20074

約数の個数: 48

約数和(自身を含む): 4485650400

約数和(自身を除く): 2464045460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 1076, 1345, 2690, 5111, 5380, 10222, 19777, 20444, 25555, 39554, 51110, 79108, 98885, 102220, 197770, 375763, 395540, 751526, 1503052, 1878815, 3757630, 5320013, 7515260, 10640026, 21280052, 26600065, 53200130, 101080247, 106400260, 202160494, 404320988, 505401235, 1010802470, 2021604940]

約数ペア:

[(1, 2021604940), (2, 1010802470), (4, 505401235), (5, 404320988), (10, 202160494), (19, 106400260), (20, 101080247), (38, 53200130), (76, 26600065), (95, 21280052), (190, 10640026), (269, 7515260), (380, 5320013), (538, 3757630), (1076, 1878815), (1345, 1503052), (2690, 751526), (5111, 395540), (5380, 375763), (10222, 197770), (19777, 102220), (20444, 98885), (25555, 79108), (39554, 51110)]