20122578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5507}}^1$

素因数の和:5551

約数の個数: 48

約数和(自身を含む): 51554880

約数和(自身を除く): 31432302

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5507, 11014, 16521, 33042, 38549, 49563, 77098, 99126, 115647, 159703, 231294, 319406, 346941, 479109, 693882, 958218, 1117921, 1437327, 2235842, 2874654, 3353763, 6707526, 10061289, 20122578]

約数ペア:

[(1, 20122578), (2, 10061289), (3, 6707526), (6, 3353763), (7, 2874654), (9, 2235842), (14, 1437327), (18, 1117921), (21, 958218), (29, 693882), (42, 479109), (58, 346941), (63, 319406), (87, 231294), (126, 159703), (174, 115647), (203, 99126), (261, 77098), (406, 49563), (522, 38549), (609, 33042), (1218, 16521), (1827, 11014), (3654, 5507)]