20161856884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1\times {\mathrm{10369}}^1$

素因数の和:11060

約数の個数: 48

約数和(自身を含む): 38686985680

約数和(自身を除く): 18525128796

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 613, 793, 1226, 1586, 2452, 3172, 7969, 10369, 15938, 20738, 31876, 37393, 41476, 74786, 134797, 149572, 269594, 486109, 539188, 632509, 972218, 1265018, 1944436, 2530036, 6356197, 8222617, 12712394, 16445234, 25424788, 32890468, 82630561, 165261122, 330522244, 387728017, 775456034, 1550912068, 5040464221, 10080928442, 20161856884]

約数ペア:

[(1, 20161856884), (2, 10080928442), (4, 5040464221), (13, 1550912068), (26, 775456034), (52, 387728017), (61, 330522244), (122, 165261122), (244, 82630561), (613, 32890468), (793, 25424788), (1226, 16445234), (1586, 12712394), (2452, 8222617), (3172, 6356197), (7969, 2530036), (10369, 1944436), (15938, 1265018), (20738, 972218), (31876, 632509), (37393, 539188), (41476, 486109), (74786, 269594), (134797, 149572)]