20164569900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{823}}^1\times {\mathrm{81671}}^1$

素因数の和:82511

約数の個数: 72

約数和(自身を含む): 58414427904

約数和(自身を除く): 38249858004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 823, 1646, 2469, 3292, 4115, 4938, 8230, 9876, 12345, 16460, 20575, 24690, 41150, 49380, 61725, 81671, 82300, 123450, 163342, 245013, 246900, 326684, 408355, 490026, 816710, 980052, 1225065, 1633420, 2041775, 2450130, 4083550, 4900260, 6125325, 8167100, 12250650, 24501300, 67215233, 134430466, 201645699, 268860932, 336076165, 403291398, 672152330, 806582796, 1008228495, 1344304660, 1680380825, 2016456990, 3360761650, 4032913980, 5041142475, 6721523300, 10082284950, 20164569900]

約数ペア:

[(1, 20164569900), (2, 10082284950), (3, 6721523300), (4, 5041142475), (5, 4032913980), (6, 3360761650), (10, 2016456990), (12, 1680380825), (15, 1344304660), (20, 1008228495), (25, 806582796), (30, 672152330), (50, 403291398), (60, 336076165), (75, 268860932), (100, 201645699), (150, 134430466), (300, 67215233), (823, 24501300), (1646, 12250650), (2469, 8167100), (3292, 6125325), (4115, 4900260), (4938, 4083550), (8230, 2450130), (9876, 2041775), (12345, 1633420), (16460, 1225065), (20575, 980052), (24690, 816710), (41150, 490026), (49380, 408355), (61725, 326684), (81671, 246900), (82300, 245013), (123450, 163342)]