20178954408

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1\times {\mathrm{1471}}^1$

素因数の和:2015

約数の個数: 128

約数和(自身を含む): 54051840000

約数和(自身を除く): 33872885592

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 67, 76, 114, 134, 152, 201, 228, 268, 402, 449, 456, 536, 804, 898, 1273, 1347, 1471, 1608, 1796, 2546, 2694, 2942, 3592, 3819, 4413, 5092, 5388, 5884, 7638, 8531, 8826, 10184, 10776, 11768, 15276, 17062, 17652, 25593, 27949, 30083, 30552, 34124, 35304, 51186, 55898, 60166, 68248, 83847, 90249, 98557, 102372, 111796, 120332, 167694, 180498, 197114, 204744, 223592, 240664, 295671, 335388, 360996, 394228, 571577, 591342, 660479, 670776, 721992, 788456, 1143154, 1182684, 1320958, 1714731, 1872583, 1981437, 2286308, 2365368, 2641916, 3429462, 3745166, 3962874, 4572616, 5283832, 5617749, 6858924, 7490332, 7925748, 11235498, 12549101, 13717848, 14980664, 15851496, 22470996, 25098202, 37647303, 44252093, 44941992, 50196404, 75294606, 88504186, 100392808, 132756279, 150589212, 177008372, 265512558, 301178424, 354016744, 531025116, 840789767, 1062050232, 1681579534, 2522369301, 3363159068, 5044738602, 6726318136, 10089477204, 20178954408]

約数ペア:

[(1, 20178954408), (2, 10089477204), (3, 6726318136), (4, 5044738602), (6, 3363159068), (8, 2522369301), (12, 1681579534), (19, 1062050232), (24, 840789767), (38, 531025116), (57, 354016744), (67, 301178424), (76, 265512558), (114, 177008372), (134, 150589212), (152, 132756279), (201, 100392808), (228, 88504186), (268, 75294606), (402, 50196404), (449, 44941992), (456, 44252093), (536, 37647303), (804, 25098202), (898, 22470996), (1273, 15851496), (1347, 14980664), (1471, 13717848), (1608, 12549101), (1796, 11235498), (2546, 7925748), (2694, 7490332), (2942, 6858924), (3592, 5617749), (3819, 5283832), (4413, 4572616), (5092, 3962874), (5388, 3745166), (5884, 3429462), (7638, 2641916), (8531, 2365368), (8826, 2286308), (10184, 1981437), (10776, 1872583), (11768, 1714731), (15276, 1320958), (17062, 1182684), (17652, 1143154), (25593, 788456), (27949, 721992), (30083, 670776), (30552, 660479), (34124, 591342), (35304, 571577), (51186, 394228), (55898, 360996), (60166, 335388), (68248, 295671), (83847, 240664), (90249, 223592), (98557, 204744), (102372, 197114), (111796, 180498), (120332, 167694)]