20334016

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:357

約数の個数: 56

約数和(自身を含む): 42932096

約数和(自身を除く): 22598080

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 148, 248, 277, 296, 496, 554, 592, 992, 1108, 1147, 1184, 1984, 2216, 2294, 2368, 4432, 4588, 8587, 8864, 9176, 10249, 17174, 17728, 18352, 20498, 34348, 36704, 40996, 68696, 73408, 81992, 137392, 163984, 274784, 317719, 327968, 549568, 635438, 655936, 1270876, 2541752, 5083504, 10167008, 20334016]

約数ペア:

[(1, 20334016), (2, 10167008), (4, 5083504), (8, 2541752), (16, 1270876), (31, 655936), (32, 635438), (37, 549568), (62, 327968), (64, 317719), (74, 274784), (124, 163984), (148, 137392), (248, 81992), (277, 73408), (296, 68696), (496, 40996), (554, 36704), (592, 34348), (992, 20498), (1108, 18352), (1147, 17728), (1184, 17174), (1984, 10249), (2216, 9176), (2294, 8864), (2368, 8587), (4432, 4588)]