20173617772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{155579}}^1$

素因数の和:156022

約数の個数: 48

約数和(自身を含む): 44119998720

約数和(自身を除く): 23946380948

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 421, 842, 1684, 2947, 4631, 5894, 9262, 11788, 18524, 32417, 64834, 129668, 155579, 311158, 622316, 1089053, 1711369, 2178106, 3422738, 4356212, 6845476, 11979583, 23959166, 47918332, 65498759, 130997518, 261995036, 458491313, 720486349, 916982626, 1440972698, 1833965252, 2881945396, 5043404443, 10086808886, 20173617772]

約数ペア:

[(1, 20173617772), (2, 10086808886), (4, 5043404443), (7, 2881945396), (11, 1833965252), (14, 1440972698), (22, 916982626), (28, 720486349), (44, 458491313), (77, 261995036), (154, 130997518), (308, 65498759), (421, 47918332), (842, 23959166), (1684, 11979583), (2947, 6845476), (4631, 4356212), (5894, 3422738), (9262, 2178106), (11788, 1711369), (18524, 1089053), (32417, 622316), (64834, 311158), (129668, 155579)]