20751024

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 61821440

約数和(自身を除く): 41070416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 151, 168, 302, 336, 409, 453, 604, 818, 906, 1057, 1208, 1227, 1636, 1812, 2114, 2416, 2454, 2863, 3171, 3272, 3624, 4228, 4908, 5726, 6342, 6544, 7248, 8456, 8589, 9816, 11452, 12684, 16912, 17178, 19632, 22904, 25368, 34356, 45808, 50736, 61759, 68712, 123518, 137424, 185277, 247036, 370554, 432313, 494072, 741108, 864626, 988144, 1296939, 1482216, 1729252, 2593878, 2964432, 3458504, 5187756, 6917008, 10375512, 20751024]

約数ペア:

[(1, 20751024), (2, 10375512), (3, 6917008), (4, 5187756), (6, 3458504), (7, 2964432), (8, 2593878), (12, 1729252), (14, 1482216), (16, 1296939), (21, 988144), (24, 864626), (28, 741108), (42, 494072), (48, 432313), (56, 370554), (84, 247036), (112, 185277), (151, 137424), (168, 123518), (302, 68712), (336, 61759), (409, 50736), (453, 45808), (604, 34356), (818, 25368), (906, 22904), (1057, 19632), (1208, 17178), (1227, 16912), (1636, 12684), (1812, 11452), (2114, 9816), (2416, 8589), (2454, 8456), (2863, 7248), (3171, 6544), (3272, 6342), (3624, 5726), (4228, 4908)]