20908320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1013}}^1$

素因数の和:1074

約数の個数: 96

約数和(自身を含む): 67459392

約数和(自身を除く): 46551072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1013, 1032, 1290, 1376, 1720, 2026, 2064, 2580, 3039, 3440, 4052, 4128, 5065, 5160, 6078, 6880, 8104, 10130, 10320, 12156, 15195, 16208, 20260, 20640, 24312, 30390, 32416, 40520, 43559, 48624, 60780, 81040, 87118, 97248, 121560, 130677, 162080, 174236, 217795, 243120, 261354, 348472, 435590, 486240, 522708, 653385, 696944, 871180, 1045416, 1306770, 1393888, 1742360, 2090832, 2613540, 3484720, 4181664, 5227080, 6969440, 10454160, 20908320]

約数ペア:

[(1, 20908320), (2, 10454160), (3, 6969440), (4, 5227080), (5, 4181664), (6, 3484720), (8, 2613540), (10, 2090832), (12, 1742360), (15, 1393888), (16, 1306770), (20, 1045416), (24, 871180), (30, 696944), (32, 653385), (40, 522708), (43, 486240), (48, 435590), (60, 348472), (80, 261354), (86, 243120), (96, 217795), (120, 174236), (129, 162080), (160, 130677), (172, 121560), (215, 97248), (240, 87118), (258, 81040), (344, 60780), (430, 48624), (480, 43559), (516, 40520), (645, 32416), (688, 30390), (860, 24312), (1013, 20640), (1032, 20260), (1290, 16208), (1376, 15195), (1720, 12156), (2026, 10320), (2064, 10130), (2580, 8104), (3039, 6880), (3440, 6078), (4052, 5160), (4128, 5065)]