20385484140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48536867}}^1$

素因数の和:48536886

約数の個数: 48

約数和(自身を含む): 65233550592

約数和(自身を除く): 44848066452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48536867, 97073734, 145610601, 194147468, 242684335, 291221202, 339758069, 485368670, 582442404, 679516138, 728053005, 970737340, 1019274207, 1359032276, 1456106010, 1698790345, 2038548414, 2912212020, 3397580690, 4077096828, 5096371035, 6795161380, 10192742070, 20385484140]

約数ペア:

[(1, 20385484140), (2, 10192742070), (3, 6795161380), (4, 5096371035), (5, 4077096828), (6, 3397580690), (7, 2912212020), (10, 2038548414), (12, 1698790345), (14, 1456106010), (15, 1359032276), (20, 1019274207), (21, 970737340), (28, 728053005), (30, 679516138), (35, 582442404), (42, 485368670), (60, 339758069), (70, 291221202), (84, 242684335), (105, 194147468), (140, 145610601), (210, 97073734), (420, 48536867)]