20452276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 40452048

約数和(自身を除く): 19999772

約数列:

[1, 2, 4, 13, 26, 41, 52, 53, 82, 106, 164, 181, 212, 362, 533, 689, 724, 1066, 1378, 2132, 2173, 2353, 2756, 4346, 4706, 7421, 8692, 9412, 9593, 14842, 19186, 28249, 29684, 38372, 56498, 96473, 112996, 124709, 192946, 249418, 385892, 393313, 498836, 786626, 1573252, 5113069, 10226138, 20452276]

約数ペア:

[(1, 20452276), (2, 10226138), (4, 5113069), (13, 1573252), (26, 786626), (41, 498836), (52, 393313), (53, 385892), (82, 249418), (106, 192946), (164, 124709), (181, 112996), (212, 96473), (362, 56498), (533, 38372), (689, 29684), (724, 28249), (1066, 19186), (1378, 14842), (2132, 9593), (2173, 9412), (2353, 8692), (2756, 7421), (4346, 4706)]