20164500992

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{10607}}^1$

素因数の和:10751

約数の個数: 80

約数和(自身を含む): 41671618560

約数和(自身を除く): 21507117568

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 79, 94, 128, 158, 188, 256, 316, 376, 512, 632, 752, 1264, 1504, 2528, 3008, 3713, 5056, 6016, 7426, 10112, 10607, 12032, 14852, 20224, 21214, 24064, 29704, 40448, 42428, 59408, 84856, 118816, 169712, 237632, 339424, 475264, 498529, 678848, 837953, 950528, 997058, 1357696, 1675906, 1901056, 1994116, 2715392, 3351812, 3988232, 5430784, 6703624, 7976464, 13407248, 15952928, 26814496, 31905856, 39383791, 53628992, 63811712, 78767582, 107257984, 127623424, 157535164, 214515968, 255246848, 315070328, 429031936, 630140656, 1260281312, 2520562624, 5041125248, 10082250496, 20164500992]

約数ペア:

[(1, 20164500992), (2, 10082250496), (4, 5041125248), (8, 2520562624), (16, 1260281312), (32, 630140656), (47, 429031936), (64, 315070328), (79, 255246848), (94, 214515968), (128, 157535164), (158, 127623424), (188, 107257984), (256, 78767582), (316, 63811712), (376, 53628992), (512, 39383791), (632, 31905856), (752, 26814496), (1264, 15952928), (1504, 13407248), (2528, 7976464), (3008, 6703624), (3713, 5430784), (5056, 3988232), (6016, 3351812), (7426, 2715392), (10112, 1994116), (10607, 1901056), (12032, 1675906), (14852, 1357696), (20224, 997058), (21214, 950528), (24064, 837953), (29704, 678848), (40448, 498529), (42428, 475264), (59408, 339424), (84856, 237632), (118816, 169712)]