20917768404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1\times {\mathrm{2447}}^1$

素因数の和:3985

約数の個数: 96

約数和(自身を含む): 54041734656

約数和(自身を除く): 33123966252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1481, 1924, 2447, 2886, 2962, 4443, 4894, 5772, 5924, 7341, 8886, 9788, 14682, 17772, 19253, 29364, 31811, 38506, 54797, 57759, 63622, 77012, 90539, 95433, 109594, 115518, 127244, 164391, 181078, 190866, 219188, 231036, 271617, 328782, 362156, 381732, 543234, 657564, 712361, 1086468, 1177007, 1424722, 2137083, 2354014, 2849444, 3531021, 3624007, 4274166, 4708028, 7062042, 7248014, 8548332, 10872021, 14124084, 14496028, 21744042, 43488084, 47112091, 94224182, 134088259, 141336273, 188448364, 268176518, 282672546, 402264777, 536353036, 565345092, 804529554, 1609059108, 1743147367, 3486294734, 5229442101, 6972589468, 10458884202, 20917768404]

約数ペア:

[(1, 20917768404), (2, 10458884202), (3, 6972589468), (4, 5229442101), (6, 3486294734), (12, 1743147367), (13, 1609059108), (26, 804529554), (37, 565345092), (39, 536353036), (52, 402264777), (74, 282672546), (78, 268176518), (111, 188448364), (148, 141336273), (156, 134088259), (222, 94224182), (444, 47112091), (481, 43488084), (962, 21744042), (1443, 14496028), (1481, 14124084), (1924, 10872021), (2447, 8548332), (2886, 7248014), (2962, 7062042), (4443, 4708028), (4894, 4274166), (5772, 3624007), (5924, 3531021), (7341, 2849444), (8886, 2354014), (9788, 2137083), (14682, 1424722), (17772, 1177007), (19253, 1086468), (29364, 712361), (31811, 657564), (38506, 543234), (54797, 381732), (57759, 362156), (63622, 328782), (77012, 271617), (90539, 231036), (95433, 219188), (109594, 190866), (115518, 181078), (127244, 164391)]