20696480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1126

約数の個数: 96

約数和(自身を含む): 59222016

約数和(自身を除く): 38525536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1087, 1120, 1190, 1360, 1904, 2174, 2380, 2720, 3808, 4348, 4760, 5435, 7609, 8696, 9520, 10870, 15218, 17392, 18479, 19040, 21740, 30436, 34784, 36958, 38045, 43480, 60872, 73916, 76090, 86960, 92395, 121744, 129353, 147832, 152180, 173920, 184790, 243488, 258706, 295664, 304360, 369580, 517412, 591328, 608720, 646765, 739160, 1034824, 1217440, 1293530, 1478320, 2069648, 2587060, 2956640, 4139296, 5174120, 10348240, 20696480]

約数ペア:

[(1, 20696480), (2, 10348240), (4, 5174120), (5, 4139296), (7, 2956640), (8, 2587060), (10, 2069648), (14, 1478320), (16, 1293530), (17, 1217440), (20, 1034824), (28, 739160), (32, 646765), (34, 608720), (35, 591328), (40, 517412), (56, 369580), (68, 304360), (70, 295664), (80, 258706), (85, 243488), (112, 184790), (119, 173920), (136, 152180), (140, 147832), (160, 129353), (170, 121744), (224, 92395), (238, 86960), (272, 76090), (280, 73916), (340, 60872), (476, 43480), (544, 38045), (560, 36958), (595, 34784), (680, 30436), (952, 21740), (1087, 19040), (1120, 18479), (1190, 17392), (1360, 15218), (1904, 10870), (2174, 9520), (2380, 8696), (2720, 7609), (3808, 5435), (4348, 4760)]