20135264

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 41277600

約数和(自身を除く): 21142336

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 103, 149, 164, 206, 298, 328, 412, 596, 656, 824, 1192, 1312, 1648, 2384, 3296, 4223, 4768, 6109, 8446, 12218, 15347, 16892, 24436, 30694, 33784, 48872, 61388, 67568, 97744, 122776, 135136, 195488, 245552, 491104, 629227, 1258454, 2516908, 5033816, 10067632, 20135264]

約数ペア:

[(1, 20135264), (2, 10067632), (4, 5033816), (8, 2516908), (16, 1258454), (32, 629227), (41, 491104), (82, 245552), (103, 195488), (149, 135136), (164, 122776), (206, 97744), (298, 67568), (328, 61388), (412, 48872), (596, 33784), (656, 30694), (824, 24436), (1192, 16892), (1312, 15347), (1648, 12218), (2384, 8446), (3296, 6109), (4223, 4768)]