20660850

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{937}}^1$

素因数の和:969

約数の個数: 108

約数和(自身を含む): 64640394

約数和(自身を除く): 43979544

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 350, 441, 450, 490, 525, 630, 735, 882, 937, 1050, 1225, 1470, 1575, 1874, 2205, 2450, 2811, 3150, 3675, 4410, 4685, 5622, 6559, 7350, 8433, 9370, 11025, 13118, 14055, 16866, 19677, 22050, 23425, 28110, 32795, 39354, 42165, 45913, 46850, 59031, 65590, 70275, 84330, 91826, 98385, 118062, 137739, 140550, 163975, 196770, 210825, 229565, 275478, 295155, 327950, 413217, 421650, 459130, 491925, 590310, 688695, 826434, 983850, 1147825, 1377390, 1475775, 2066085, 2295650, 2951550, 3443475, 4132170, 6886950, 10330425, 20660850]

約数ペア:

[(1, 20660850), (2, 10330425), (3, 6886950), (5, 4132170), (6, 3443475), (7, 2951550), (9, 2295650), (10, 2066085), (14, 1475775), (15, 1377390), (18, 1147825), (21, 983850), (25, 826434), (30, 688695), (35, 590310), (42, 491925), (45, 459130), (49, 421650), (50, 413217), (63, 327950), (70, 295155), (75, 275478), (90, 229565), (98, 210825), (105, 196770), (126, 163975), (147, 140550), (150, 137739), (175, 118062), (210, 98385), (225, 91826), (245, 84330), (294, 70275), (315, 65590), (350, 59031), (441, 46850), (450, 45913), (490, 42165), (525, 39354), (630, 32795), (735, 28110), (882, 23425), (937, 22050), (1050, 19677), (1225, 16866), (1470, 14055), (1575, 13118), (1874, 11025), (2205, 9370), (2450, 8433), (2811, 7350), (3150, 6559), (3675, 5622), (4410, 4685)]