20597160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4639}}^1$

素因数の和:4690

約数の個数: 64

約数和(自身を含む): 63475200

約数和(自身を除く): 42878040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4639, 9278, 13917, 18556, 23195, 27834, 37112, 46390, 55668, 69585, 92780, 111336, 139170, 171643, 185560, 278340, 343286, 514929, 556680, 686572, 858215, 1029858, 1373144, 1716430, 2059716, 2574645, 3432860, 4119432, 5149290, 6865720, 10298580, 20597160]

約数ペア:

[(1, 20597160), (2, 10298580), (3, 6865720), (4, 5149290), (5, 4119432), (6, 3432860), (8, 2574645), (10, 2059716), (12, 1716430), (15, 1373144), (20, 1029858), (24, 858215), (30, 686572), (37, 556680), (40, 514929), (60, 343286), (74, 278340), (111, 185560), (120, 171643), (148, 139170), (185, 111336), (222, 92780), (296, 69585), (370, 55668), (444, 46390), (555, 37112), (740, 27834), (888, 23195), (1110, 18556), (1480, 13917), (2220, 9278), (4440, 4639)]