20223008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 43277976

約数和(自身を除く): 23054968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 281, 346, 416, 562, 692, 1124, 1384, 2248, 2249, 2768, 3653, 4496, 4498, 5536, 7306, 8992, 8996, 14612, 17992, 29224, 35984, 48613, 58448, 71968, 97226, 116896, 194452, 388904, 631969, 777808, 1263938, 1555616, 2527876, 5055752, 10111504, 20223008]

約数ペア:

[(1, 20223008), (2, 10111504), (4, 5055752), (8, 2527876), (13, 1555616), (16, 1263938), (26, 777808), (32, 631969), (52, 388904), (104, 194452), (173, 116896), (208, 97226), (281, 71968), (346, 58448), (416, 48613), (562, 35984), (692, 29224), (1124, 17992), (1384, 14612), (2248, 8996), (2249, 8992), (2768, 7306), (3653, 5536), (4496, 4498)]