20121479104

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{74203}}^1$

素因数の和:74457

約数の個数: 56

約数和(自身を含む): 42219107840

約数和(自身を除く): 22097628736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 223, 304, 446, 608, 892, 1216, 1784, 3568, 4237, 7136, 8474, 14272, 16948, 33896, 67792, 74203, 135584, 148406, 271168, 296812, 593624, 1187248, 1409857, 2374496, 2819714, 4748992, 5639428, 11278856, 16547269, 22557712, 33094538, 45115424, 66189076, 90230848, 132378152, 264756304, 314398111, 529512608, 628796222, 1059025216, 1257592444, 2515184888, 5030369776, 10060739552, 20121479104]

約数ペア:

[(1, 20121479104), (2, 10060739552), (4, 5030369776), (8, 2515184888), (16, 1257592444), (19, 1059025216), (32, 628796222), (38, 529512608), (64, 314398111), (76, 264756304), (152, 132378152), (223, 90230848), (304, 66189076), (446, 45115424), (608, 33094538), (892, 22557712), (1216, 16547269), (1784, 11278856), (3568, 5639428), (4237, 4748992), (7136, 2819714), (8474, 2374496), (14272, 1409857), (16948, 1187248), (33896, 593624), (67792, 296812), (74203, 271168), (135584, 148406)]