20786913168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1\times {\mathrm{1481}}^1$

素因数の和:2665

約数の個数: 160

約数和(自身を含む): 63127983360

約数和(自身を除く): 42341070192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1129, 1481, 1554, 1776, 2072, 2258, 2962, 3108, 3387, 4144, 4443, 4516, 5924, 6216, 6774, 7903, 8886, 9032, 10367, 11848, 12432, 13548, 15806, 17772, 18064, 20734, 23696, 23709, 27096, 31101, 31612, 35544, 41468, 41773, 47418, 54192, 54797, 62202, 63224, 71088, 82936, 83546, 94836, 109594, 124404, 125319, 126448, 164391, 165872, 167092, 189672, 219188, 248808, 250638, 292411, 328782, 334184, 379344, 383579, 438376, 497616, 501276, 584822, 657564, 668368, 767158, 876752, 877233, 1002552, 1150737, 1169644, 1315128, 1534316, 1672049, 1754466, 2005104, 2301474, 2339288, 2630256, 3068632, 3344098, 3508932, 4602948, 4678576, 5016147, 6137264, 6688196, 7017864, 9205896, 10032294, 11704343, 13376392, 14035728, 18411792, 20064588, 23408686, 26752784, 35113029, 40129176, 46817372, 61865813, 70226058, 80258352, 93634744, 123731626, 140452116, 185597439, 187269488, 247463252, 280904232, 371194878, 433060691, 494926504, 561808464, 742389756, 866121382, 989853008, 1299182073, 1484779512, 1732242764, 2598364146, 2969559024, 3464485528, 5196728292, 6928971056, 10393456584, 20786913168]

約数ペア:

[(1, 20786913168), (2, 10393456584), (3, 6928971056), (4, 5196728292), (6, 3464485528), (7, 2969559024), (8, 2598364146), (12, 1732242764), (14, 1484779512), (16, 1299182073), (21, 989853008), (24, 866121382), (28, 742389756), (37, 561808464), (42, 494926504), (48, 433060691), (56, 371194878), (74, 280904232), (84, 247463252), (111, 187269488), (112, 185597439), (148, 140452116), (168, 123731626), (222, 93634744), (259, 80258352), (296, 70226058), (336, 61865813), (444, 46817372), (518, 40129176), (592, 35113029), (777, 26752784), (888, 23408686), (1036, 20064588), (1129, 18411792), (1481, 14035728), (1554, 13376392), (1776, 11704343), (2072, 10032294), (2258, 9205896), (2962, 7017864), (3108, 6688196), (3387, 6137264), (4144, 5016147), (4443, 4678576), (4516, 4602948), (5924, 3508932), (6216, 3344098), (6774, 3068632), (7903, 2630256), (8886, 2339288), (9032, 2301474), (10367, 2005104), (11848, 1754466), (12432, 1672049), (13548, 1534316), (15806, 1315128), (17772, 1169644), (18064, 1150737), (20734, 1002552), (23696, 877233), (23709, 876752), (27096, 767158), (31101, 668368), (31612, 657564), (35544, 584822), (41468, 501276), (41773, 497616), (47418, 438376), (54192, 383579), (54797, 379344), (62202, 334184), (63224, 328782), (71088, 292411), (82936, 250638), (83546, 248808), (94836, 219188), (109594, 189672), (124404, 167092), (125319, 165872), (126448, 164391)]