20916672

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 112

約数和(自身を含む): 64373760

約数和(自身を除く): 43457088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 158, 168, 192, 197, 224, 237, 316, 336, 394, 448, 474, 553, 591, 632, 672, 788, 948, 1106, 1182, 1264, 1344, 1379, 1576, 1659, 1896, 2212, 2364, 2528, 2758, 3152, 3318, 3792, 4137, 4424, 4728, 5056, 5516, 6304, 6636, 7584, 8274, 8848, 9456, 11032, 12608, 13272, 15168, 15563, 16548, 17696, 18912, 22064, 26544, 31126, 33096, 35392, 37824, 44128, 46689, 53088, 62252, 66192, 88256, 93378, 106176, 108941, 124504, 132384, 186756, 217882, 249008, 264768, 326823, 373512, 435764, 498016, 653646, 747024, 871528, 996032, 1307292, 1494048, 1743056, 2614584, 2988096, 3486112, 5229168, 6972224, 10458336, 20916672]

約数ペア:

[(1, 20916672), (2, 10458336), (3, 6972224), (4, 5229168), (6, 3486112), (7, 2988096), (8, 2614584), (12, 1743056), (14, 1494048), (16, 1307292), (21, 996032), (24, 871528), (28, 747024), (32, 653646), (42, 498016), (48, 435764), (56, 373512), (64, 326823), (79, 264768), (84, 249008), (96, 217882), (112, 186756), (158, 132384), (168, 124504), (192, 108941), (197, 106176), (224, 93378), (237, 88256), (316, 66192), (336, 62252), (394, 53088), (448, 46689), (474, 44128), (553, 37824), (591, 35392), (632, 33096), (672, 31126), (788, 26544), (948, 22064), (1106, 18912), (1182, 17696), (1264, 16548), (1344, 15563), (1379, 15168), (1576, 13272), (1659, 12608), (1896, 11032), (2212, 9456), (2364, 8848), (2528, 8274), (2758, 7584), (3152, 6636), (3318, 6304), (3792, 5516), (4137, 5056), (4424, 4728)]