20120221168

素因数分解:

$2^4\times {\mathrm{5101}}^1\times {\mathrm{246523}}^1$

素因数の和:251632

約数の個数: 20

約数和(自身を含む): 38990728888

約数和(自身を除く): 18870507720

約数列:

[1, 2, 4, 8, 16, 5101, 10202, 20404, 40808, 81616, 246523, 493046, 986092, 1972184, 3944368, 1257513823, 2515027646, 5030055292, 10060110584, 20120221168]

約数ペア:

[(1, 20120221168), (2, 10060110584), (4, 5030055292), (8, 2515027646), (16, 1257513823), (5101, 3944368), (10202, 1972184), (20404, 986092), (40808, 493046), (81616, 246523)]