20937120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 96

約数和(自身を含む): 67277952

約数和(自身を除く): 46340832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 823, 848, 1060, 1272, 1590, 1646, 1696, 2120, 2469, 2544, 3180, 3292, 4115, 4240, 4938, 5088, 6360, 6584, 8230, 8480, 9876, 12345, 12720, 13168, 16460, 19752, 24690, 25440, 26336, 32920, 39504, 43619, 49380, 65840, 79008, 87238, 98760, 130857, 131680, 174476, 197520, 218095, 261714, 348952, 395040, 436190, 523428, 654285, 697904, 872380, 1046856, 1308570, 1395808, 1744760, 2093712, 2617140, 3489520, 4187424, 5234280, 6979040, 10468560, 20937120]

約数ペア:

[(1, 20937120), (2, 10468560), (3, 6979040), (4, 5234280), (5, 4187424), (6, 3489520), (8, 2617140), (10, 2093712), (12, 1744760), (15, 1395808), (16, 1308570), (20, 1046856), (24, 872380), (30, 697904), (32, 654285), (40, 523428), (48, 436190), (53, 395040), (60, 348952), (80, 261714), (96, 218095), (106, 197520), (120, 174476), (159, 131680), (160, 130857), (212, 98760), (240, 87238), (265, 79008), (318, 65840), (424, 49380), (480, 43619), (530, 39504), (636, 32920), (795, 26336), (823, 25440), (848, 24690), (1060, 19752), (1272, 16460), (1590, 13168), (1646, 12720), (1696, 12345), (2120, 9876), (2469, 8480), (2544, 8230), (3180, 6584), (3292, 6360), (4115, 5088), (4240, 4938)]