20567552

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 60

約数和(自身を含む): 43968540

約数和(自身を除く): 23400988

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 139, 256, 272, 278, 289, 512, 544, 556, 578, 1088, 1112, 1156, 2176, 2224, 2312, 2363, 4352, 4448, 4624, 4726, 8704, 8896, 9248, 9452, 17792, 18496, 18904, 35584, 36992, 37808, 40171, 71168, 73984, 75616, 80342, 147968, 151232, 160684, 302464, 321368, 604928, 642736, 1209856, 1285472, 2570944, 5141888, 10283776, 20567552]

約数ペア:

[(1, 20567552), (2, 10283776), (4, 5141888), (8, 2570944), (16, 1285472), (17, 1209856), (32, 642736), (34, 604928), (64, 321368), (68, 302464), (128, 160684), (136, 151232), (139, 147968), (256, 80342), (272, 75616), (278, 73984), (289, 71168), (512, 40171), (544, 37808), (556, 36992), (578, 35584), (1088, 18904), (1112, 18496), (1156, 17792), (2176, 9452), (2224, 9248), (2312, 8896), (2363, 8704), (4352, 4726), (4448, 4624)]