20164532368

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{64567}}^1$

素因数の和:64855

約数の個数: 40

約数和(自身を含む): 39631838400

約数和(自身を除く): 19467306032

約数列:

[1, 2, 4, 8, 16, 131, 149, 262, 298, 524, 596, 1048, 1192, 2096, 2384, 19519, 39038, 64567, 78076, 129134, 156152, 258268, 312304, 516536, 1033072, 8458277, 9620483, 16916554, 19240966, 33833108, 38481932, 67666216, 76963864, 135332432, 153927728, 1260283273, 2520566546, 5041133092, 10082266184, 20164532368]

約数ペア:

[(1, 20164532368), (2, 10082266184), (4, 5041133092), (8, 2520566546), (16, 1260283273), (131, 153927728), (149, 135332432), (262, 76963864), (298, 67666216), (524, 38481932), (596, 33833108), (1048, 19240966), (1192, 16916554), (2096, 9620483), (2384, 8458277), (19519, 1033072), (39038, 516536), (64567, 312304), (78076, 258268), (129134, 156152)]