20626320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:641

約数の個数: 160

約数和(自身を含む): 75245184

約数和(自身を除く): 54618864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 601, 624, 660, 715, 780, 858, 880, 1040, 1144, 1202, 1320, 1430, 1560, 1716, 1803, 2145, 2288, 2404, 2640, 2860, 3005, 3120, 3432, 3606, 4290, 4808, 5720, 6010, 6611, 6864, 7212, 7813, 8580, 9015, 9616, 11440, 12020, 13222, 14424, 15626, 17160, 18030, 19833, 23439, 24040, 26444, 28848, 31252, 33055, 34320, 36060, 39065, 39666, 46878, 48080, 52888, 62504, 66110, 72120, 78130, 79332, 85943, 93756, 99165, 105776, 117195, 125008, 132220, 144240, 156260, 158664, 171886, 187512, 198330, 234390, 257829, 264440, 312520, 317328, 343772, 375024, 396660, 429715, 468780, 515658, 528880, 625040, 687544, 793320, 859430, 937560, 1031316, 1289145, 1375088, 1586640, 1718860, 1875120, 2062632, 2578290, 3437720, 4125264, 5156580, 6875440, 10313160, 20626320]

約数ペア:

[(1, 20626320), (2, 10313160), (3, 6875440), (4, 5156580), (5, 4125264), (6, 3437720), (8, 2578290), (10, 2062632), (11, 1875120), (12, 1718860), (13, 1586640), (15, 1375088), (16, 1289145), (20, 1031316), (22, 937560), (24, 859430), (26, 793320), (30, 687544), (33, 625040), (39, 528880), (40, 515658), (44, 468780), (48, 429715), (52, 396660), (55, 375024), (60, 343772), (65, 317328), (66, 312520), (78, 264440), (80, 257829), (88, 234390), (104, 198330), (110, 187512), (120, 171886), (130, 158664), (132, 156260), (143, 144240), (156, 132220), (165, 125008), (176, 117195), (195, 105776), (208, 99165), (220, 93756), (240, 85943), (260, 79332), (264, 78130), (286, 72120), (312, 66110), (330, 62504), (390, 52888), (429, 48080), (440, 46878), (520, 39666), (528, 39065), (572, 36060), (601, 34320), (624, 33055), (660, 31252), (715, 28848), (780, 26444), (858, 24040), (880, 23439), (1040, 19833), (1144, 18030), (1202, 17160), (1320, 15626), (1430, 14424), (1560, 13222), (1716, 12020), (1803, 11440), (2145, 9616), (2288, 9015), (2404, 8580), (2640, 7813), (2860, 7212), (3005, 6864), (3120, 6611), (3432, 6010), (3606, 5720), (4290, 4808)]