20562080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1669}}^1$

素因数の和:1702

約数の個数: 96

約数和(自身を含む): 60600960

約数和(自身を除く): 40038880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1669, 1760, 2464, 3080, 3338, 6160, 6676, 8345, 11683, 12320, 13352, 16690, 18359, 23366, 26704, 33380, 36718, 46732, 53408, 58415, 66760, 73436, 91795, 93464, 116830, 128513, 133520, 146872, 183590, 186928, 233660, 257026, 267040, 293744, 367180, 373856, 467320, 514052, 587488, 642565, 734360, 934640, 1028104, 1285130, 1468720, 1869280, 2056208, 2570260, 2937440, 4112416, 5140520, 10281040, 20562080]

約数ペア:

[(1, 20562080), (2, 10281040), (4, 5140520), (5, 4112416), (7, 2937440), (8, 2570260), (10, 2056208), (11, 1869280), (14, 1468720), (16, 1285130), (20, 1028104), (22, 934640), (28, 734360), (32, 642565), (35, 587488), (40, 514052), (44, 467320), (55, 373856), (56, 367180), (70, 293744), (77, 267040), (80, 257026), (88, 233660), (110, 186928), (112, 183590), (140, 146872), (154, 133520), (160, 128513), (176, 116830), (220, 93464), (224, 91795), (280, 73436), (308, 66760), (352, 58415), (385, 53408), (440, 46732), (560, 36718), (616, 33380), (770, 26704), (880, 23366), (1120, 18359), (1232, 16690), (1540, 13352), (1669, 12320), (1760, 11683), (2464, 8345), (3080, 6676), (3338, 6160)]