20553300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:618

約数の個数: 108

約数和(自身を含む): 66112956

約数和(自身を除く): 45559656

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 60, 75, 82, 90, 100, 123, 150, 164, 180, 205, 225, 246, 300, 369, 410, 450, 492, 557, 615, 738, 820, 900, 1025, 1114, 1230, 1476, 1671, 1845, 2050, 2228, 2460, 2785, 3075, 3342, 3690, 4100, 5013, 5570, 6150, 6684, 7380, 8355, 9225, 10026, 11140, 12300, 13925, 16710, 18450, 20052, 22837, 25065, 27850, 33420, 36900, 41775, 45674, 50130, 55700, 68511, 83550, 91348, 100260, 114185, 125325, 137022, 167100, 205533, 228370, 250650, 274044, 342555, 411066, 456740, 501300, 570925, 685110, 822132, 1027665, 1141850, 1370220, 1712775, 2055330, 2283700, 3425550, 4110660, 5138325, 6851100, 10276650, 20553300]

約数ペア:

[(1, 20553300), (2, 10276650), (3, 6851100), (4, 5138325), (5, 4110660), (6, 3425550), (9, 2283700), (10, 2055330), (12, 1712775), (15, 1370220), (18, 1141850), (20, 1027665), (25, 822132), (30, 685110), (36, 570925), (41, 501300), (45, 456740), (50, 411066), (60, 342555), (75, 274044), (82, 250650), (90, 228370), (100, 205533), (123, 167100), (150, 137022), (164, 125325), (180, 114185), (205, 100260), (225, 91348), (246, 83550), (300, 68511), (369, 55700), (410, 50130), (450, 45674), (492, 41775), (557, 36900), (615, 33420), (738, 27850), (820, 25065), (900, 22837), (1025, 20052), (1114, 18450), (1230, 16710), (1476, 13925), (1671, 12300), (1845, 11140), (2050, 10026), (2228, 9225), (2460, 8355), (2785, 7380), (3075, 6684), (3342, 6150), (3690, 5570), (4100, 5013)]