20386743720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2963}}^1\times {\mathrm{8191}}^1$

素因数の和:11175

約数の個数: 128

約数和(自身を含む): 69929533440

約数和(自身を除く): 49542789720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2963, 5926, 8191, 8889, 11852, 14815, 16382, 17778, 20741, 23704, 24573, 29630, 32764, 35556, 40955, 41482, 44445, 49146, 57337, 59260, 62223, 65528, 71112, 81910, 82964, 88890, 98292, 103705, 114674, 118520, 122865, 124446, 163820, 165928, 172011, 177780, 196584, 207410, 229348, 245730, 248892, 286685, 311115, 327640, 344022, 355560, 414820, 458696, 491460, 497784, 573370, 622230, 688044, 829640, 860055, 982920, 1146740, 1244460, 1376088, 1720110, 2293480, 2488920, 3440220, 6880440, 24269933, 48539866, 72809799, 97079732, 121349665, 145619598, 169889531, 194159464, 242699330, 291239196, 339779062, 364048995, 485398660, 509668593, 582478392, 679558124, 728097990, 849447655, 970797320, 1019337186, 1359116248, 1456195980, 1698895310, 2038674372, 2548342965, 2912391960, 3397790620, 4077348744, 5096685930, 6795581240, 10193371860, 20386743720]

約数ペア:

[(1, 20386743720), (2, 10193371860), (3, 6795581240), (4, 5096685930), (5, 4077348744), (6, 3397790620), (7, 2912391960), (8, 2548342965), (10, 2038674372), (12, 1698895310), (14, 1456195980), (15, 1359116248), (20, 1019337186), (21, 970797320), (24, 849447655), (28, 728097990), (30, 679558124), (35, 582478392), (40, 509668593), (42, 485398660), (56, 364048995), (60, 339779062), (70, 291239196), (84, 242699330), (105, 194159464), (120, 169889531), (140, 145619598), (168, 121349665), (210, 97079732), (280, 72809799), (420, 48539866), (840, 24269933), (2963, 6880440), (5926, 3440220), (8191, 2488920), (8889, 2293480), (11852, 1720110), (14815, 1376088), (16382, 1244460), (17778, 1146740), (20741, 982920), (23704, 860055), (24573, 829640), (29630, 688044), (32764, 622230), (35556, 573370), (40955, 497784), (41482, 491460), (44445, 458696), (49146, 414820), (57337, 355560), (59260, 344022), (62223, 327640), (65528, 311115), (71112, 286685), (81910, 248892), (82964, 245730), (88890, 229348), (98292, 207410), (103705, 196584), (114674, 177780), (118520, 172011), (122865, 165928), (124446, 163820)]