20381100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1715

約数の個数: 72

約数和(自身を含む): 60444048

約数和(自身を除く): 40062948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1657, 2050, 2460, 3075, 3314, 4100, 4971, 6150, 6628, 8285, 9942, 12300, 16570, 19884, 24855, 33140, 41425, 49710, 67937, 82850, 99420, 124275, 135874, 165700, 203811, 248550, 271748, 339685, 407622, 497100, 679370, 815244, 1019055, 1358740, 1698425, 2038110, 3396850, 4076220, 5095275, 6793700, 10190550, 20381100]

約数ペア:

[(1, 20381100), (2, 10190550), (3, 6793700), (4, 5095275), (5, 4076220), (6, 3396850), (10, 2038110), (12, 1698425), (15, 1358740), (20, 1019055), (25, 815244), (30, 679370), (41, 497100), (50, 407622), (60, 339685), (75, 271748), (82, 248550), (100, 203811), (123, 165700), (150, 135874), (164, 124275), (205, 99420), (246, 82850), (300, 67937), (410, 49710), (492, 41425), (615, 33140), (820, 24855), (1025, 19884), (1230, 16570), (1657, 12300), (2050, 9942), (2460, 8285), (3075, 6628), (3314, 6150), (4100, 4971)]