20823776

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 43953840

約数和(自身を除く): 23130064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 101, 136, 202, 272, 379, 404, 544, 758, 808, 1516, 1616, 1717, 3032, 3232, 3434, 6064, 6443, 6868, 12128, 12886, 13736, 25772, 27472, 38279, 51544, 54944, 76558, 103088, 153116, 206176, 306232, 612464, 650743, 1224928, 1301486, 2602972, 5205944, 10411888, 20823776]

約数ペア:

[(1, 20823776), (2, 10411888), (4, 5205944), (8, 2602972), (16, 1301486), (17, 1224928), (32, 650743), (34, 612464), (68, 306232), (101, 206176), (136, 153116), (202, 103088), (272, 76558), (379, 54944), (404, 51544), (544, 38279), (758, 27472), (808, 25772), (1516, 13736), (1616, 12886), (1717, 12128), (3032, 6868), (3232, 6443), (3434, 6064)]