20121479128

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{1069}}^1\times {\mathrm{35117}}^1$

素因数の和:36259

約数の個数: 32

約数和(自身を含む): 38327785200

約数和(自身を除く): 18206306072

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 1069, 2138, 4276, 8552, 35117, 70234, 71623, 140468, 143246, 280936, 286492, 572984, 2352839, 4705678, 9411356, 18822712, 37540073, 75080146, 150160292, 300320584, 2515184891, 5030369782, 10060739564, 20121479128]

約数ペア:

[(1, 20121479128), (2, 10060739564), (4, 5030369782), (8, 2515184891), (67, 300320584), (134, 150160292), (268, 75080146), (536, 37540073), (1069, 18822712), (2138, 9411356), (4276, 4705678), (8552, 2352839), (35117, 572984), (70234, 286492), (71623, 280936), (140468, 143246)]