20829760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:588

約数の個数: 112

約数和(自身を含む): 60130944

約数和(自身を除く): 39301184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 547, 560, 595, 680, 952, 1088, 1094, 1120, 1190, 1360, 1904, 2188, 2240, 2380, 2720, 2735, 3808, 3829, 4376, 4760, 5440, 5470, 7616, 7658, 8752, 9299, 9520, 10940, 15316, 17504, 18598, 19040, 19145, 21880, 30632, 35008, 37196, 38080, 38290, 43760, 46495, 61264, 65093, 74392, 76580, 87520, 92990, 122528, 130186, 148784, 153160, 175040, 185980, 245056, 260372, 297568, 306320, 325465, 371960, 520744, 595136, 612640, 650930, 743920, 1041488, 1225280, 1301860, 1487840, 2082976, 2603720, 2975680, 4165952, 5207440, 10414880, 20829760]

約数ペア:

[(1, 20829760), (2, 10414880), (4, 5207440), (5, 4165952), (7, 2975680), (8, 2603720), (10, 2082976), (14, 1487840), (16, 1301860), (17, 1225280), (20, 1041488), (28, 743920), (32, 650930), (34, 612640), (35, 595136), (40, 520744), (56, 371960), (64, 325465), (68, 306320), (70, 297568), (80, 260372), (85, 245056), (112, 185980), (119, 175040), (136, 153160), (140, 148784), (160, 130186), (170, 122528), (224, 92990), (238, 87520), (272, 76580), (280, 74392), (320, 65093), (340, 61264), (448, 46495), (476, 43760), (544, 38290), (547, 38080), (560, 37196), (595, 35008), (680, 30632), (952, 21880), (1088, 19145), (1094, 19040), (1120, 18598), (1190, 17504), (1360, 15316), (1904, 10940), (2188, 9520), (2240, 9299), (2380, 8752), (2720, 7658), (2735, 7616), (3808, 5470), (3829, 5440), (4376, 4760)]