20136280496

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{170971}}^1$

素因数の和:171429

約数の個数: 40

約数和(自身を含む): 41404631184

約数和(自身を除く): 21268350688

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 433, 866, 1732, 3464, 6928, 7361, 14722, 29444, 58888, 117776, 170971, 341942, 683884, 1367768, 2735536, 2906507, 5813014, 11626028, 23252056, 46504112, 74030443, 148060886, 296121772, 592243544, 1184487088, 1258517531, 2517035062, 5034070124, 10068140248, 20136280496]

約数ペア:

[(1, 20136280496), (2, 10068140248), (4, 5034070124), (8, 2517035062), (16, 1258517531), (17, 1184487088), (34, 592243544), (68, 296121772), (136, 148060886), (272, 74030443), (433, 46504112), (866, 23252056), (1732, 11626028), (3464, 5813014), (6928, 2906507), (7361, 2735536), (14722, 1367768), (29444, 683884), (58888, 341942), (117776, 170971)]