20387376

素因数分解:

$2^4\times 3^4\times {\mathrm{15731}}^1$

素因数の和:15751

約数の個数: 50

約数和(自身を含む): 59010732

約数和(自身を除く): 38623356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15731, 31462, 47193, 62924, 94386, 125848, 141579, 188772, 251696, 283158, 377544, 424737, 566316, 755088, 849474, 1132632, 1274211, 1698948, 2265264, 2548422, 3397896, 5096844, 6795792, 10193688, 20387376]

約数ペア:

[(1, 20387376), (2, 10193688), (3, 6795792), (4, 5096844), (6, 3397896), (8, 2548422), (9, 2265264), (12, 1698948), (16, 1274211), (18, 1132632), (24, 849474), (27, 755088), (36, 566316), (48, 424737), (54, 377544), (72, 283158), (81, 251696), (108, 188772), (144, 141579), (162, 125848), (216, 94386), (324, 62924), (432, 47193), (648, 31462), (1296, 15731)]