20619753609

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3209}}^1\times {\mathrm{23537}}^1$

素因数の和:26769

約数の個数: 32

約数和(自身を含む): 33849527040

約数和(自身を除く): 13229773431

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 3209, 9627, 22463, 23537, 41717, 67389, 70611, 125151, 164759, 292019, 305981, 494277, 876057, 917943, 2141867, 6425601, 75530233, 226590699, 528711631, 981893029, 1586134893, 2945679087, 6873251203, 20619753609]

約数ペア:

[(1, 20619753609), (3, 6873251203), (7, 2945679087), (13, 1586134893), (21, 981893029), (39, 528711631), (91, 226590699), (273, 75530233), (3209, 6425601), (9627, 2141867), (22463, 917943), (23537, 876057), (41717, 494277), (67389, 305981), (70611, 292019), (125151, 164759)]