20657328

素因数分解:

$2^4\times 3^1\times {\mathrm{101}}^1\times {\mathrm{4261}}^1$

素因数の和:4373

約数の個数: 40

約数和(自身を含む): 53905776

約数和(自身を除く): 33248448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 101, 202, 303, 404, 606, 808, 1212, 1616, 2424, 4261, 4848, 8522, 12783, 17044, 25566, 34088, 51132, 68176, 102264, 204528, 430361, 860722, 1291083, 1721444, 2582166, 3442888, 5164332, 6885776, 10328664, 20657328]

約数ペア:

[(1, 20657328), (2, 10328664), (3, 6885776), (4, 5164332), (6, 3442888), (8, 2582166), (12, 1721444), (16, 1291083), (24, 860722), (48, 430361), (101, 204528), (202, 102264), (303, 68176), (404, 51132), (606, 34088), (808, 25566), (1212, 17044), (1616, 12783), (2424, 8522), (4261, 4848)]