20191292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 20257732

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 113, 124, 131, 226, 262, 341, 452, 524, 682, 1243, 1364, 1441, 2486, 2882, 3503, 4061, 4972, 5764, 7006, 8122, 14012, 14803, 16244, 29606, 38533, 44671, 59212, 77066, 89342, 154132, 162833, 178684, 325666, 458893, 651332, 917786, 1835572, 5047823, 10095646, 20191292]

約数ペア:

[(1, 20191292), (2, 10095646), (4, 5047823), (11, 1835572), (22, 917786), (31, 651332), (44, 458893), (62, 325666), (113, 178684), (124, 162833), (131, 154132), (226, 89342), (262, 77066), (341, 59212), (452, 44671), (524, 38533), (682, 29606), (1243, 16244), (1364, 14803), (1441, 14012), (2486, 8122), (2882, 7006), (3503, 5764), (4061, 4972)]