20007104

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 56

約数和(自身を含む): 43312080

約数和(自身を除く): 23304976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 139, 173, 208, 278, 346, 416, 556, 692, 832, 1112, 1384, 1807, 2224, 2249, 2768, 3614, 4448, 4498, 5536, 7228, 8896, 8996, 11072, 14456, 17992, 24047, 28912, 35984, 48094, 57824, 71968, 96188, 115648, 143936, 192376, 312611, 384752, 625222, 769504, 1250444, 1539008, 2500888, 5001776, 10003552, 20007104]

約数ペア:

[(1, 20007104), (2, 10003552), (4, 5001776), (8, 2500888), (13, 1539008), (16, 1250444), (26, 769504), (32, 625222), (52, 384752), (64, 312611), (104, 192376), (139, 143936), (173, 115648), (208, 96188), (278, 71968), (346, 57824), (416, 48094), (556, 35984), (692, 28912), (832, 24047), (1112, 17992), (1384, 14456), (1807, 11072), (2224, 8996), (2249, 8896), (2768, 7228), (3614, 5536), (4448, 4498)]