20218673616

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{499}}^1$

素因数の和:913

約数の個数: 160

約数和(自身を含む): 54538176000

約数和(自身を除く): 34319502384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 67, 86, 129, 134, 172, 201, 258, 268, 293, 344, 402, 499, 516, 536, 586, 688, 804, 879, 998, 1032, 1072, 1172, 1497, 1608, 1758, 1996, 2064, 2344, 2881, 2994, 3216, 3516, 3992, 4688, 5762, 5988, 7032, 7984, 8643, 11524, 11976, 12599, 14064, 17286, 19631, 21457, 23048, 23952, 25198, 33433, 34572, 37797, 39262, 42914, 46096, 50396, 58893, 64371, 66866, 69144, 75594, 78524, 85828, 100299, 100792, 117786, 128742, 133732, 138288, 146207, 151188, 157048, 171656, 200598, 201584, 235572, 257484, 267464, 292414, 302376, 314096, 343312, 401196, 438621, 471144, 514968, 534928, 584828, 604752, 802392, 844133, 877242, 942288, 1029936, 1169656, 1437619, 1604784, 1688266, 1754484, 2339312, 2532399, 2875238, 3376532, 3508968, 4312857, 5064798, 5750476, 6286901, 6753064, 7017936, 8625714, 9795869, 10129596, 11500952, 12573802, 13506128, 17251428, 18860703, 19591738, 20259192, 23001904, 25147604, 29387607, 34502856, 37721406, 39183476, 40518384, 50295208, 58775214, 69005712, 75442812, 78366952, 100590416, 117550428, 150885624, 156733904, 235100856, 301771248, 421222367, 470201712, 842444734, 1263667101, 1684889468, 2527334202, 3369778936, 5054668404, 6739557872, 10109336808, 20218673616]

約数ペア:

[(1, 20218673616), (2, 10109336808), (3, 6739557872), (4, 5054668404), (6, 3369778936), (8, 2527334202), (12, 1684889468), (16, 1263667101), (24, 842444734), (43, 470201712), (48, 421222367), (67, 301771248), (86, 235100856), (129, 156733904), (134, 150885624), (172, 117550428), (201, 100590416), (258, 78366952), (268, 75442812), (293, 69005712), (344, 58775214), (402, 50295208), (499, 40518384), (516, 39183476), (536, 37721406), (586, 34502856), (688, 29387607), (804, 25147604), (879, 23001904), (998, 20259192), (1032, 19591738), (1072, 18860703), (1172, 17251428), (1497, 13506128), (1608, 12573802), (1758, 11500952), (1996, 10129596), (2064, 9795869), (2344, 8625714), (2881, 7017936), (2994, 6753064), (3216, 6286901), (3516, 5750476), (3992, 5064798), (4688, 4312857), (5762, 3508968), (5988, 3376532), (7032, 2875238), (7984, 2532399), (8643, 2339312), (11524, 1754484), (11976, 1688266), (12599, 1604784), (14064, 1437619), (17286, 1169656), (19631, 1029936), (21457, 942288), (23048, 877242), (23952, 844133), (25198, 802392), (33433, 604752), (34572, 584828), (37797, 534928), (39262, 514968), (42914, 471144), (46096, 438621), (50396, 401196), (58893, 343312), (64371, 314096), (66866, 302376), (69144, 292414), (75594, 267464), (78524, 257484), (85828, 235572), (100299, 201584), (100792, 200598), (117786, 171656), (128742, 157048), (133732, 151188), (138288, 146207)]