20671036712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{52757}}^1$

素因数の和:52890

約数の個数: 64

約数和(自身を含む): 42620022720

約数和(自身を除く): 21948986008

約数列:

[1, 2, 4, 8, 17, 34, 43, 67, 68, 86, 134, 136, 172, 268, 344, 536, 731, 1139, 1462, 2278, 2881, 2924, 4556, 5762, 5848, 9112, 11524, 23048, 48977, 52757, 97954, 105514, 195908, 211028, 391816, 422056, 896869, 1793738, 2268551, 3534719, 3587476, 4537102, 7069438, 7174952, 9074204, 14138876, 18148408, 28277752, 38565367, 60090223, 77130734, 120180446, 151992917, 154261468, 240360892, 303985834, 308522936, 480721784, 607971668, 1215943336, 2583879589, 5167759178, 10335518356, 20671036712]

約数ペア:

[(1, 20671036712), (2, 10335518356), (4, 5167759178), (8, 2583879589), (17, 1215943336), (34, 607971668), (43, 480721784), (67, 308522936), (68, 303985834), (86, 240360892), (134, 154261468), (136, 151992917), (172, 120180446), (268, 77130734), (344, 60090223), (536, 38565367), (731, 28277752), (1139, 18148408), (1462, 14138876), (2278, 9074204), (2881, 7174952), (2924, 7069438), (4556, 4537102), (5762, 3587476), (5848, 3534719), (9112, 2268551), (11524, 1793738), (23048, 896869), (48977, 422056), (52757, 391816), (97954, 211028), (105514, 195908)]