20162040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 45501960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 239, 285, 296, 370, 380, 444, 456, 478, 555, 570, 703, 717, 740, 760, 888, 956, 1110, 1140, 1195, 1406, 1434, 1480, 1912, 2109, 2220, 2280, 2390, 2812, 2868, 3515, 3585, 4218, 4440, 4541, 4780, 5624, 5736, 7030, 7170, 8436, 8843, 9082, 9560, 10545, 13623, 14060, 14340, 16872, 17686, 18164, 21090, 22705, 26529, 27246, 28120, 28680, 35372, 36328, 42180, 44215, 45410, 53058, 54492, 68115, 70744, 84360, 88430, 90820, 106116, 108984, 132645, 136230, 168017, 176860, 181640, 212232, 265290, 272460, 336034, 353720, 504051, 530580, 544920, 672068, 840085, 1008102, 1061160, 1344136, 1680170, 2016204, 2520255, 3360340, 4032408, 5040510, 6720680, 10081020, 20162040]

約数ペア:

[(1, 20162040), (2, 10081020), (3, 6720680), (4, 5040510), (5, 4032408), (6, 3360340), (8, 2520255), (10, 2016204), (12, 1680170), (15, 1344136), (19, 1061160), (20, 1008102), (24, 840085), (30, 672068), (37, 544920), (38, 530580), (40, 504051), (57, 353720), (60, 336034), (74, 272460), (76, 265290), (95, 212232), (111, 181640), (114, 176860), (120, 168017), (148, 136230), (152, 132645), (185, 108984), (190, 106116), (222, 90820), (228, 88430), (239, 84360), (285, 70744), (296, 68115), (370, 54492), (380, 53058), (444, 45410), (456, 44215), (478, 42180), (555, 36328), (570, 35372), (703, 28680), (717, 28120), (740, 27246), (760, 26529), (888, 22705), (956, 21090), (1110, 18164), (1140, 17686), (1195, 16872), (1406, 14340), (1434, 14060), (1480, 13623), (1912, 10545), (2109, 9560), (2220, 9082), (2280, 8843), (2390, 8436), (2812, 7170), (2868, 7030), (3515, 5736), (3585, 5624), (4218, 4780), (4440, 4541)]