20764110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 31490610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 83, 93, 155, 166, 186, 249, 269, 310, 415, 465, 498, 538, 807, 830, 930, 1245, 1345, 1614, 2490, 2573, 2690, 4035, 5146, 7719, 8070, 8339, 12865, 15438, 16678, 22327, 25017, 25730, 38595, 41695, 44654, 50034, 66981, 77190, 83390, 111635, 125085, 133962, 223270, 250170, 334905, 669810, 692137, 1384274, 2076411, 3460685, 4152822, 6921370, 10382055, 20764110]

約数ペア:

[(1, 20764110), (2, 10382055), (3, 6921370), (5, 4152822), (6, 3460685), (10, 2076411), (15, 1384274), (30, 692137), (31, 669810), (62, 334905), (83, 250170), (93, 223270), (155, 133962), (166, 125085), (186, 111635), (249, 83390), (269, 77190), (310, 66981), (415, 50034), (465, 44654), (498, 41695), (538, 38595), (807, 25730), (830, 25017), (930, 22327), (1245, 16678), (1345, 15438), (1614, 12865), (2490, 8339), (2573, 8070), (2690, 7719), (4035, 5146)]