20199892377

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 33190423552

約数和(自身を除く): 12990531175

約数列:

[1, 3, 7, 21, 29, 43, 67, 87, 129, 201, 203, 301, 397, 469, 609, 841, 903, 1191, 1247, 1407, 1943, 2523, 2779, 2881, 3741, 5829, 5887, 8337, 8643, 8729, 11513, 13601, 17071, 17661, 20167, 26187, 26599, 34539, 36163, 40803, 51213, 56347, 60501, 79797, 80591, 83549, 108489, 119497, 169041, 186193, 241773, 250647, 253141, 333877, 358491, 394429, 495059, 558579, 584843, 759423, 771371, 1001631, 1143757, 1183287, 1485177, 1754529, 2314113, 2337139, 2422921, 3431271, 3465413, 5399597, 7011417, 7268763, 8006299, 10396239, 14356711, 16198791, 16960447, 22369759, 24018897, 33168953, 43070133, 50881341, 67109277, 99506859, 100496977, 156588313, 232182671, 301490931, 469764939, 696548013, 961899637, 2885698911, 6733297459, 20199892377]

約数ペア:

[(1, 20199892377), (3, 6733297459), (7, 2885698911), (21, 961899637), (29, 696548013), (43, 469764939), (67, 301490931), (87, 232182671), (129, 156588313), (201, 100496977), (203, 99506859), (301, 67109277), (397, 50881341), (469, 43070133), (609, 33168953), (841, 24018897), (903, 22369759), (1191, 16960447), (1247, 16198791), (1407, 14356711), (1943, 10396239), (2523, 8006299), (2779, 7268763), (2881, 7011417), (3741, 5399597), (5829, 3465413), (5887, 3431271), (8337, 2422921), (8643, 2337139), (8729, 2314113), (11513, 1754529), (13601, 1485177), (17071, 1183287), (17661, 1143757), (20167, 1001631), (26187, 771371), (26599, 759423), (34539, 584843), (36163, 558579), (40803, 495059), (51213, 394429), (56347, 358491), (60501, 333877), (79797, 253141), (80591, 250647), (83549, 241773), (108489, 186193), (119497, 169041)]