20172772686

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 45913900032

約数和(自身を除く): 25741127346

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 103, 123, 157, 206, 246, 309, 314, 451, 461, 471, 618, 902, 922, 942, 1133, 1353, 1383, 1727, 2266, 2706, 2766, 3399, 3454, 4223, 5071, 5181, 6437, 6798, 8446, 10142, 10362, 12669, 12874, 15213, 16171, 18901, 19311, 25338, 30426, 32342, 37802, 38622, 46453, 47483, 48513, 56703, 70807, 72377, 92906, 94966, 97026, 113406, 139359, 141614, 142449, 144754, 177881, 207911, 212421, 217131, 278718, 284898, 355762, 415822, 424842, 434262, 522313, 533643, 623733, 663011, 796147, 1044626, 1067286, 1247466, 1326022, 1566939, 1592294, 1946803, 1989033, 2388441, 2967457, 3133878, 3893606, 3978066, 4776882, 5840409, 5934914, 7293121, 7454831, 8902371, 11680818, 14586242, 14909662, 17804742, 21414833, 21879363, 22364493, 32642027, 42829666, 43758726, 44728986, 64244499, 65284054, 82003141, 97926081, 128488998, 164006282, 195852162, 246009423, 305648071, 492018846, 611296142, 916944213, 1833888426, 3362128781, 6724257562, 10086386343, 20172772686]

約数ペア:

[(1, 20172772686), (2, 10086386343), (3, 6724257562), (6, 3362128781), (11, 1833888426), (22, 916944213), (33, 611296142), (41, 492018846), (66, 305648071), (82, 246009423), (103, 195852162), (123, 164006282), (157, 128488998), (206, 97926081), (246, 82003141), (309, 65284054), (314, 64244499), (451, 44728986), (461, 43758726), (471, 42829666), (618, 32642027), (902, 22364493), (922, 21879363), (942, 21414833), (1133, 17804742), (1353, 14909662), (1383, 14586242), (1727, 11680818), (2266, 8902371), (2706, 7454831), (2766, 7293121), (3399, 5934914), (3454, 5840409), (4223, 4776882), (5071, 3978066), (5181, 3893606), (6437, 3133878), (6798, 2967457), (8446, 2388441), (10142, 1989033), (10362, 1946803), (12669, 1592294), (12874, 1566939), (15213, 1326022), (16171, 1247466), (18901, 1067286), (19311, 1044626), (25338, 796147), (30426, 663011), (32342, 623733), (37802, 533643), (38622, 522313), (46453, 434262), (47483, 424842), (48513, 415822), (56703, 355762), (70807, 284898), (72377, 278718), (92906, 217131), (94966, 212421), (97026, 207911), (113406, 177881), (139359, 144754), (141614, 142449)]