20956614

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30883386

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 343, 357, 599, 686, 714, 833, 1029, 1198, 1666, 1797, 2058, 2499, 3594, 4193, 4998, 5831, 8386, 10183, 11662, 12579, 17493, 20366, 25158, 29351, 30549, 34986, 58702, 61098, 71281, 88053, 142562, 176106, 205457, 213843, 410914, 427686, 498967, 616371, 997934, 1232742, 1496901, 2993802, 3492769, 6985538, 10478307, 20956614]

約数ペア:

[(1, 20956614), (2, 10478307), (3, 6985538), (6, 3492769), (7, 2993802), (14, 1496901), (17, 1232742), (21, 997934), (34, 616371), (42, 498967), (49, 427686), (51, 410914), (98, 213843), (102, 205457), (119, 176106), (147, 142562), (238, 88053), (294, 71281), (343, 61098), (357, 58702), (599, 34986), (686, 30549), (714, 29351), (833, 25158), (1029, 20366), (1198, 17493), (1666, 12579), (1797, 11662), (2058, 10183), (2499, 8386), (3594, 5831), (4193, 4998)]