20780093640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2191993}}^1$

素因数の和:2192086

約数の個数: 64

約数和(自身を含む): 63129427200

約数和(自身を除く): 42349333560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 2191993, 4383986, 6575979, 8767972, 10959965, 13151958, 17535944, 21919930, 26303916, 32879895, 43839860, 52607832, 65759790, 87679720, 131519580, 173167447, 263039160, 346334894, 519502341, 692669788, 865837235, 1039004682, 1385339576, 1731674470, 2078009364, 2597511705, 3463348940, 4156018728, 5195023410, 6926697880, 10390046820, 20780093640]

約数ペア:

[(1, 20780093640), (2, 10390046820), (3, 6926697880), (4, 5195023410), (5, 4156018728), (6, 3463348940), (8, 2597511705), (10, 2078009364), (12, 1731674470), (15, 1385339576), (20, 1039004682), (24, 865837235), (30, 692669788), (40, 519502341), (60, 346334894), (79, 263039160), (120, 173167447), (158, 131519580), (237, 87679720), (316, 65759790), (395, 52607832), (474, 43839860), (632, 32879895), (790, 26303916), (948, 21919930), (1185, 17535944), (1580, 13151958), (1896, 10959965), (2370, 8767972), (3160, 6575979), (4740, 4383986), (9480, 2191993)]