20903520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 192

約数和(自身を含む): 74462976

約数和(自身を除く): 53559456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 96, 107, 110, 111, 120, 132, 148, 160, 165, 176, 185, 214, 220, 222, 240, 264, 296, 321, 330, 352, 370, 407, 428, 440, 444, 480, 528, 535, 555, 592, 642, 660, 740, 814, 856, 880, 888, 1056, 1070, 1110, 1177, 1184, 1221, 1284, 1320, 1480, 1605, 1628, 1712, 1760, 1776, 2035, 2140, 2220, 2354, 2442, 2568, 2640, 2960, 3210, 3256, 3424, 3531, 3552, 3959, 4070, 4280, 4440, 4708, 4884, 5136, 5280, 5885, 5920, 6105, 6420, 6512, 7062, 7918, 8140, 8560, 8880, 9416, 9768, 10272, 11770, 11877, 12210, 12840, 13024, 14124, 15836, 16280, 17120, 17655, 17760, 18832, 19536, 19795, 23540, 23754, 24420, 25680, 28248, 31672, 32560, 35310, 37664, 39072, 39590, 43549, 47080, 47508, 48840, 51360, 56496, 59385, 63344, 65120, 70620, 79180, 87098, 94160, 95016, 97680, 112992, 118770, 126688, 130647, 141240, 158360, 174196, 188320, 190032, 195360, 217745, 237540, 261294, 282480, 316720, 348392, 380064, 435490, 475080, 522588, 564960, 633440, 653235, 696784, 870980, 950160, 1045176, 1306470, 1393568, 1741960, 1900320, 2090352, 2612940, 3483920, 4180704, 5225880, 6967840, 10451760, 20903520]

約数ペア:

[(1, 20903520), (2, 10451760), (3, 6967840), (4, 5225880), (5, 4180704), (6, 3483920), (8, 2612940), (10, 2090352), (11, 1900320), (12, 1741960), (15, 1393568), (16, 1306470), (20, 1045176), (22, 950160), (24, 870980), (30, 696784), (32, 653235), (33, 633440), (37, 564960), (40, 522588), (44, 475080), (48, 435490), (55, 380064), (60, 348392), (66, 316720), (74, 282480), (80, 261294), (88, 237540), (96, 217745), (107, 195360), (110, 190032), (111, 188320), (120, 174196), (132, 158360), (148, 141240), (160, 130647), (165, 126688), (176, 118770), (185, 112992), (214, 97680), (220, 95016), (222, 94160), (240, 87098), (264, 79180), (296, 70620), (321, 65120), (330, 63344), (352, 59385), (370, 56496), (407, 51360), (428, 48840), (440, 47508), (444, 47080), (480, 43549), (528, 39590), (535, 39072), (555, 37664), (592, 35310), (642, 32560), (660, 31672), (740, 28248), (814, 25680), (856, 24420), (880, 23754), (888, 23540), (1056, 19795), (1070, 19536), (1110, 18832), (1177, 17760), (1184, 17655), (1221, 17120), (1284, 16280), (1320, 15836), (1480, 14124), (1605, 13024), (1628, 12840), (1712, 12210), (1760, 11877), (1776, 11770), (2035, 10272), (2140, 9768), (2220, 9416), (2354, 8880), (2442, 8560), (2568, 8140), (2640, 7918), (2960, 7062), (3210, 6512), (3256, 6420), (3424, 6105), (3531, 5920), (3552, 5885), (3959, 5280), (4070, 5136), (4280, 4884), (4440, 4708)]