20709993424

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{4391}}^1$

素因数の和:4724

約数の個数: 80

約数和(自身を含む): 42714694656

約数和(自身を除く): 22004701232

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 257, 296, 496, 514, 592, 1028, 1147, 2056, 2294, 4112, 4391, 4588, 7967, 8782, 9176, 9509, 15934, 17564, 18352, 19018, 31868, 35128, 38036, 63736, 70256, 76072, 127472, 136121, 152144, 162467, 272242, 294779, 324934, 544484, 589558, 649868, 1088968, 1128487, 1179116, 1299736, 2177936, 2256974, 2358232, 2599472, 4513948, 4716464, 5036477, 9027896, 10072954, 18055792, 20145908, 34983097, 40291816, 41754019, 69966194, 80583632, 83508038, 139932388, 167016076, 279864776, 334032152, 559729552, 668064304, 1294374589, 2588749178, 5177498356, 10354996712, 20709993424]

約数ペア:

[(1, 20709993424), (2, 10354996712), (4, 5177498356), (8, 2588749178), (16, 1294374589), (31, 668064304), (37, 559729552), (62, 334032152), (74, 279864776), (124, 167016076), (148, 139932388), (248, 83508038), (257, 80583632), (296, 69966194), (496, 41754019), (514, 40291816), (592, 34983097), (1028, 20145908), (1147, 18055792), (2056, 10072954), (2294, 9027896), (4112, 5036477), (4391, 4716464), (4588, 4513948), (7967, 2599472), (8782, 2358232), (9176, 2256974), (9509, 2177936), (15934, 1299736), (17564, 1179116), (18352, 1128487), (19018, 1088968), (31868, 649868), (35128, 589558), (38036, 544484), (63736, 324934), (70256, 294779), (76072, 272242), (127472, 162467), (136121, 152144)]