20115888922

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1\times {\mathrm{2161}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 31030217424

約数和(自身を除く): 10914328502

約数列:

[1, 2, 53, 106, 137, 274, 641, 1282, 2161, 4322, 7261, 14522, 33973, 67946, 87817, 114533, 175634, 229066, 296057, 592114, 1385201, 2770402, 4654301, 9308602, 15691021, 31382042, 73415653, 146831306, 189772537, 379545074, 10057944461, 20115888922]

約数ペア:

[(1, 20115888922), (2, 10057944461), (53, 379545074), (106, 189772537), (137, 146831306), (274, 73415653), (641, 31382042), (1282, 15691021), (2161, 9308602), (4322, 4654301), (7261, 2770402), (14522, 1385201), (33973, 592114), (67946, 296057), (87817, 229066), (114533, 175634)]