20784928515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3438367}}^1$

素因数の和:3438419

約数の個数: 32

約数和(自身を含む): 36969332736

約数和(自身を除く): 16184404221

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 6045, 3438367, 10315101, 17191835, 44698771, 51575505, 106589377, 134096313, 223493855, 319768131, 532946885, 670481565, 1385661901, 1598840655, 4156985703, 6928309505, 20784928515]

約数ペア:

[(1, 20784928515), (3, 6928309505), (5, 4156985703), (13, 1598840655), (15, 1385661901), (31, 670481565), (39, 532946885), (65, 319768131), (93, 223493855), (155, 134096313), (195, 106589377), (403, 51575505), (465, 44698771), (1209, 17191835), (2015, 10315101), (6045, 3438367)]