20195357120

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1\times {\mathrm{761}}^1$

素因数の和:1558

約数の個数: 112

約数和(自身を含む): 48606870528

約数和(自身を除く): 28411513408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 653, 761, 1016, 1270, 1306, 1522, 2032, 2540, 2612, 3044, 3265, 3805, 4064, 5080, 5224, 6088, 6530, 7610, 8128, 10160, 10448, 12176, 13060, 15220, 20320, 20896, 24352, 26120, 30440, 40640, 41792, 48704, 52240, 60880, 82931, 96647, 104480, 121760, 165862, 193294, 208960, 243520, 331724, 386588, 414655, 483235, 496933, 663448, 773176, 829310, 966470, 993866, 1326896, 1546352, 1658620, 1932940, 1987732, 2484665, 2653792, 3092704, 3317240, 3865880, 3975464, 4969330, 5307584, 6185408, 6634480, 7731760, 7950928, 9938660, 13268960, 15463520, 15901856, 19877320, 26537920, 30927040, 31803712, 39754640, 63110491, 79509280, 126220982, 159018560, 252441964, 315552455, 504883928, 631104910, 1009767856, 1262209820, 2019535712, 2524419640, 4039071424, 5048839280, 10097678560, 20195357120]

約数ペア:

[(1, 20195357120), (2, 10097678560), (4, 5048839280), (5, 4039071424), (8, 2524419640), (10, 2019535712), (16, 1262209820), (20, 1009767856), (32, 631104910), (40, 504883928), (64, 315552455), (80, 252441964), (127, 159018560), (160, 126220982), (254, 79509280), (320, 63110491), (508, 39754640), (635, 31803712), (653, 30927040), (761, 26537920), (1016, 19877320), (1270, 15901856), (1306, 15463520), (1522, 13268960), (2032, 9938660), (2540, 7950928), (2612, 7731760), (3044, 6634480), (3265, 6185408), (3805, 5307584), (4064, 4969330), (5080, 3975464), (5224, 3865880), (6088, 3317240), (6530, 3092704), (7610, 2653792), (8128, 2484665), (10160, 1987732), (10448, 1932940), (12176, 1658620), (13060, 1546352), (15220, 1326896), (20320, 993866), (20896, 966470), (24352, 829310), (26120, 773176), (30440, 663448), (40640, 496933), (41792, 483235), (48704, 414655), (52240, 386588), (60880, 331724), (82931, 243520), (96647, 208960), (104480, 193294), (121760, 165862)]