20921992044

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3989701}}^1$

素因数の和:3989750

約数の個数: 48

約数和(自身を含む): 53621594880

約数和(自身を除く): 32699602836

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 5244, 3989701, 7979402, 11969103, 15958804, 23938206, 47876412, 75804319, 91763123, 151608638, 183526246, 227412957, 275289369, 303217276, 367052492, 454825914, 550578738, 909651828, 1101157476, 1743499337, 3486998674, 5230498011, 6973997348, 10460996022, 20921992044]

約数ペア:

[(1, 20921992044), (2, 10460996022), (3, 6973997348), (4, 5230498011), (6, 3486998674), (12, 1743499337), (19, 1101157476), (23, 909651828), (38, 550578738), (46, 454825914), (57, 367052492), (69, 303217276), (76, 275289369), (92, 227412957), (114, 183526246), (138, 151608638), (228, 91763123), (276, 75804319), (437, 47876412), (874, 23938206), (1311, 15958804), (1748, 11969103), (2622, 7979402), (5244, 3989701)]