17072020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 24175340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 619, 788, 985, 1238, 1379, 1970, 2476, 2758, 3095, 3940, 4333, 5516, 6190, 6895, 8666, 12380, 13790, 17332, 21665, 27580, 43330, 86660, 121943, 243886, 487772, 609715, 853601, 1219430, 1707202, 2438860, 3414404, 4268005, 8536010, 17072020]

約数ペア:

[(1, 17072020), (2, 8536010), (4, 4268005), (5, 3414404), (7, 2438860), (10, 1707202), (14, 1219430), (20, 853601), (28, 609715), (35, 487772), (70, 243886), (140, 121943), (197, 86660), (394, 43330), (619, 27580), (788, 21665), (985, 17332), (1238, 13790), (1379, 12380), (1970, 8666), (2476, 6895), (2758, 6190), (3095, 5516), (3940, 4333)]