20179650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4639}}^1$

素因数の和:4683

約数の個数: 48

約数和(自身を含む): 51782400

約数和(自身を除く): 31602750

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4639, 9278, 13917, 23195, 27834, 46390, 69585, 115975, 134531, 139170, 231950, 269062, 347925, 403593, 672655, 695850, 807186, 1345310, 2017965, 3363275, 4035930, 6726550, 10089825, 20179650]

約数ペア:

[(1, 20179650), (2, 10089825), (3, 6726550), (5, 4035930), (6, 3363275), (10, 2017965), (15, 1345310), (25, 807186), (29, 695850), (30, 672655), (50, 403593), (58, 347925), (75, 269062), (87, 231950), (145, 139170), (150, 134531), (174, 115975), (290, 69585), (435, 46390), (725, 27834), (870, 23195), (1450, 13917), (2175, 9278), (4350, 4639)]