20440470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{709}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 50762160

約数和(自身を除く): 30321690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 709, 930, 961, 1418, 1922, 2127, 2883, 3545, 4254, 4805, 5766, 7090, 9610, 10635, 14415, 21270, 21979, 28830, 43958, 65937, 109895, 131874, 219790, 329685, 659370, 681349, 1362698, 2044047, 3406745, 4088094, 6813490, 10220235, 20440470]

約数ペア:

[(1, 20440470), (2, 10220235), (3, 6813490), (5, 4088094), (6, 3406745), (10, 2044047), (15, 1362698), (30, 681349), (31, 659370), (62, 329685), (93, 219790), (155, 131874), (186, 109895), (310, 65937), (465, 43958), (709, 28830), (930, 21979), (961, 21270), (1418, 14415), (1922, 10635), (2127, 9610), (2883, 7090), (3545, 5766), (4254, 4805)]