20111152

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 40845600

約数和(自身を除く): 20734448

約数列:

[1, 2, 4, 8, 16, 29, 58, 89, 116, 178, 232, 356, 464, 487, 712, 974, 1424, 1948, 2581, 3896, 5162, 7792, 10324, 14123, 20648, 28246, 41296, 43343, 56492, 86686, 112984, 173372, 225968, 346744, 693488, 1256947, 2513894, 5027788, 10055576, 20111152]

約数ペア:

[(1, 20111152), (2, 10055576), (4, 5027788), (8, 2513894), (16, 1256947), (29, 693488), (58, 346744), (89, 225968), (116, 173372), (178, 112984), (232, 86686), (356, 56492), (464, 43343), (487, 41296), (712, 28246), (974, 20648), (1424, 14123), (1948, 10324), (2581, 7792), (3896, 5162)]