20852956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 19789604

約数列:

[1, 2, 4, 19, 31, 38, 53, 62, 76, 106, 124, 167, 212, 334, 589, 668, 1007, 1178, 1643, 2014, 2356, 3173, 3286, 4028, 5177, 6346, 6572, 8851, 10354, 12692, 17702, 20708, 31217, 35404, 62434, 98363, 124868, 168169, 196726, 274381, 336338, 393452, 548762, 672676, 1097524, 5213239, 10426478, 20852956]

約数ペア:

[(1, 20852956), (2, 10426478), (4, 5213239), (19, 1097524), (31, 672676), (38, 548762), (53, 393452), (62, 336338), (76, 274381), (106, 196726), (124, 168169), (167, 124868), (212, 98363), (334, 62434), (589, 35404), (668, 31217), (1007, 20708), (1178, 17702), (1643, 12692), (2014, 10354), (2356, 8851), (3173, 6572), (3286, 6346), (4028, 5177)]