20631840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:882

約数の個数: 96

約数和(自身を含む): 66298176

約数和(自身を除く): 45666336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 811, 848, 1060, 1272, 1590, 1622, 1696, 2120, 2433, 2544, 3180, 3244, 4055, 4240, 4866, 5088, 6360, 6488, 8110, 8480, 9732, 12165, 12720, 12976, 16220, 19464, 24330, 25440, 25952, 32440, 38928, 42983, 48660, 64880, 77856, 85966, 97320, 128949, 129760, 171932, 194640, 214915, 257898, 343864, 389280, 429830, 515796, 644745, 687728, 859660, 1031592, 1289490, 1375456, 1719320, 2063184, 2578980, 3438640, 4126368, 5157960, 6877280, 10315920, 20631840]

約数ペア:

[(1, 20631840), (2, 10315920), (3, 6877280), (4, 5157960), (5, 4126368), (6, 3438640), (8, 2578980), (10, 2063184), (12, 1719320), (15, 1375456), (16, 1289490), (20, 1031592), (24, 859660), (30, 687728), (32, 644745), (40, 515796), (48, 429830), (53, 389280), (60, 343864), (80, 257898), (96, 214915), (106, 194640), (120, 171932), (159, 129760), (160, 128949), (212, 97320), (240, 85966), (265, 77856), (318, 64880), (424, 48660), (480, 42983), (530, 38928), (636, 32440), (795, 25952), (811, 25440), (848, 24330), (1060, 19464), (1272, 16220), (1590, 12976), (1622, 12720), (1696, 12165), (2120, 9732), (2433, 8480), (2544, 8110), (3180, 6488), (3244, 6360), (4055, 5088), (4240, 4866)]