20005949728

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{189853}}^1$

素因数の和:189989

約数の個数: 48

約数和(自身を含む): 40905942840

約数和(自身を除く): 20899993112

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 89, 148, 178, 296, 356, 592, 712, 1184, 1424, 2848, 3293, 6586, 13172, 26344, 52688, 105376, 189853, 379706, 759412, 1518824, 3037648, 6075296, 7024561, 14049122, 16896917, 28098244, 33793834, 56196488, 67587668, 112392976, 135175336, 224785952, 270350672, 540701344, 625185929, 1250371858, 2500743716, 5001487432, 10002974864, 20005949728]

約数ペア:

[(1, 20005949728), (2, 10002974864), (4, 5001487432), (8, 2500743716), (16, 1250371858), (32, 625185929), (37, 540701344), (74, 270350672), (89, 224785952), (148, 135175336), (178, 112392976), (296, 67587668), (356, 56196488), (592, 33793834), (712, 28098244), (1184, 16896917), (1424, 14049122), (2848, 7024561), (3293, 6075296), (6586, 3037648), (13172, 1518824), (26344, 759412), (52688, 379706), (105376, 189853)]