20135813120

素因数分解:

$2^{13}\times 5^1\times {\mathrm{593}}^1\times {\mathrm{829}}^1$

素因数の和:1453

約数の個数: 112

約数和(自身を含む): 48462879960

約数和(自身を除く): 28327066840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 593, 640, 829, 1024, 1186, 1280, 1658, 2048, 2372, 2560, 2965, 3316, 4096, 4145, 4744, 5120, 5930, 6632, 8192, 8290, 9488, 10240, 11860, 13264, 16580, 18976, 20480, 23720, 26528, 33160, 37952, 40960, 47440, 53056, 66320, 75904, 94880, 106112, 132640, 151808, 189760, 212224, 265280, 303616, 379520, 424448, 491597, 530560, 607232, 759040, 848896, 983194, 1061120, 1214464, 1518080, 1697792, 1966388, 2122240, 2428928, 2457985, 3036160, 3395584, 3932776, 4244480, 4857856, 4915970, 6072320, 6791168, 7865552, 8488960, 9831940, 12144640, 15731104, 16977920, 19663880, 24289280, 31462208, 33955840, 39327760, 62924416, 78655520, 125848832, 157311040, 251697664, 314622080, 503395328, 629244160, 1006790656, 1258488320, 2013581312, 2516976640, 4027162624, 5033953280, 10067906560, 20135813120]

約数ペア:

[(1, 20135813120), (2, 10067906560), (4, 5033953280), (5, 4027162624), (8, 2516976640), (10, 2013581312), (16, 1258488320), (20, 1006790656), (32, 629244160), (40, 503395328), (64, 314622080), (80, 251697664), (128, 157311040), (160, 125848832), (256, 78655520), (320, 62924416), (512, 39327760), (593, 33955840), (640, 31462208), (829, 24289280), (1024, 19663880), (1186, 16977920), (1280, 15731104), (1658, 12144640), (2048, 9831940), (2372, 8488960), (2560, 7865552), (2965, 6791168), (3316, 6072320), (4096, 4915970), (4145, 4857856), (4744, 4244480), (5120, 3932776), (5930, 3395584), (6632, 3036160), (8192, 2457985), (8290, 2428928), (9488, 2122240), (10240, 1966388), (11860, 1697792), (13264, 1518080), (16580, 1214464), (18976, 1061120), (20480, 983194), (23720, 848896), (26528, 759040), (33160, 607232), (37952, 530560), (40960, 491597), (47440, 424448), (53056, 379520), (66320, 303616), (75904, 265280), (94880, 212224), (106112, 189760), (132640, 151808)]