20218073421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{135391}}^1$

素因数の和:135961

約数の個数: 32

約数和(自身を含む): 33239277568

約数和(自身を除く): 13021204147

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 547, 1641, 3829, 7111, 11487, 21333, 49777, 135391, 149331, 406173, 947737, 1760083, 2843211, 5280249, 12320581, 36961743, 74058877, 222176631, 518412139, 962765401, 1555236417, 2888296203, 6739357807, 20218073421]

約数ペア:

[(1, 20218073421), (3, 6739357807), (7, 2888296203), (13, 1555236417), (21, 962765401), (39, 518412139), (91, 222176631), (273, 74058877), (547, 36961743), (1641, 12320581), (3829, 5280249), (7111, 2843211), (11487, 1760083), (21333, 947737), (49777, 406173), (135391, 149331)]