20171824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:713

約数の個数: 40

約数和(自身を含む): 41013248

約数和(自身を除く): 20841424

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 607, 1072, 1214, 2077, 2428, 4154, 4856, 8308, 9712, 16616, 18817, 33232, 37634, 40669, 75268, 81338, 150536, 162676, 301072, 325352, 650704, 1260739, 2521478, 5042956, 10085912, 20171824]

約数ペア:

[(1, 20171824), (2, 10085912), (4, 5042956), (8, 2521478), (16, 1260739), (31, 650704), (62, 325352), (67, 301072), (124, 162676), (134, 150536), (248, 81338), (268, 75268), (496, 40669), (536, 37634), (607, 33232), (1072, 18817), (1214, 16616), (2077, 9712), (2428, 8308), (4154, 4856)]