20945664

素因数分解:

$2^8\times 3^2\times {\mathrm{9091}}^1$

素因数の和:9113

約数の個数: 54

約数和(自身を含む): 60398156

約数和(自身を除く): 39452492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 9091, 18182, 27273, 36364, 54546, 72728, 81819, 109092, 145456, 163638, 218184, 290912, 327276, 436368, 581824, 654552, 872736, 1163648, 1309104, 1745472, 2327296, 2618208, 3490944, 5236416, 6981888, 10472832, 20945664]

約数ペア:

[(1, 20945664), (2, 10472832), (3, 6981888), (4, 5236416), (6, 3490944), (8, 2618208), (9, 2327296), (12, 1745472), (16, 1309104), (18, 1163648), (24, 872736), (32, 654552), (36, 581824), (48, 436368), (64, 327276), (72, 290912), (96, 218184), (128, 163638), (144, 145456), (192, 109092), (256, 81819), (288, 72728), (384, 54546), (576, 36364), (768, 27273), (1152, 18182), (2304, 9091)]