20175403136

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^2\times {\mathrm{23431}}^1$

素因数の和:23514

約数の個数: 96

約数和(自身を含む): 47466671040

約数和(自身を除く): 27291267904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 961, 992, 1736, 1922, 1984, 3472, 3844, 3968, 6727, 6944, 7688, 13454, 13888, 15376, 23431, 26908, 27776, 30752, 46862, 53816, 61504, 93724, 107632, 123008, 164017, 187448, 215264, 328034, 374896, 430528, 656068, 726361, 749792, 861056, 1312136, 1452722, 1499584, 2624272, 2905444, 2999168, 5084527, 5248544, 5810888, 10169054, 10497088, 11621776, 20338108, 20994176, 22517191, 23243552, 40676216, 45034382, 46487104, 81352432, 90068764, 92974208, 157620337, 162704864, 180137528, 315240674, 325409728, 360275056, 630481348, 650819456, 720550112, 1260962696, 1441100224, 2521925392, 2882200448, 5043850784, 10087701568, 20175403136]

約数ペア:

[(1, 20175403136), (2, 10087701568), (4, 5043850784), (7, 2882200448), (8, 2521925392), (14, 1441100224), (16, 1260962696), (28, 720550112), (31, 650819456), (32, 630481348), (56, 360275056), (62, 325409728), (64, 315240674), (112, 180137528), (124, 162704864), (128, 157620337), (217, 92974208), (224, 90068764), (248, 81352432), (434, 46487104), (448, 45034382), (496, 40676216), (868, 23243552), (896, 22517191), (961, 20994176), (992, 20338108), (1736, 11621776), (1922, 10497088), (1984, 10169054), (3472, 5810888), (3844, 5248544), (3968, 5084527), (6727, 2999168), (6944, 2905444), (7688, 2624272), (13454, 1499584), (13888, 1452722), (15376, 1312136), (23431, 861056), (26908, 749792), (27776, 726361), (30752, 656068), (46862, 430528), (53816, 374896), (61504, 328034), (93724, 215264), (107632, 187448), (123008, 164017)]