20936699488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{251353}}^1$

素因数の和:251519

約数の個数: 48

約数和(自身を含む): 43705433520

約数和(自身を除く): 22768734032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 137, 152, 274, 304, 548, 608, 1096, 2192, 2603, 4384, 5206, 10412, 20824, 41648, 83296, 251353, 502706, 1005412, 2010824, 4021648, 4775707, 8043296, 9551414, 19102828, 34435361, 38205656, 68870722, 76411312, 137741444, 152822624, 275482888, 550965776, 654271859, 1101931552, 1308543718, 2617087436, 5234174872, 10468349744, 20936699488]

約数ペア:

[(1, 20936699488), (2, 10468349744), (4, 5234174872), (8, 2617087436), (16, 1308543718), (19, 1101931552), (32, 654271859), (38, 550965776), (76, 275482888), (137, 152822624), (152, 137741444), (274, 76411312), (304, 68870722), (548, 38205656), (608, 34435361), (1096, 19102828), (2192, 9551414), (2603, 8043296), (4384, 4775707), (5206, 4021648), (10412, 2010824), (20824, 1005412), (41648, 502706), (83296, 251353)]