20161243168

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1\times {\mathrm{2153}}^1$

素因数の和:2930

約数の個数: 96

約数和(自身を含む): 44553680640

約数和(自身を除く): 24392437472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 719, 814, 1184, 1438, 1628, 2153, 2876, 3256, 4306, 5752, 6512, 7909, 8612, 11504, 13024, 15818, 17224, 23008, 23683, 26603, 31636, 34448, 47366, 53206, 63272, 68896, 79661, 94732, 106412, 126544, 159322, 189464, 212824, 253088, 292633, 318644, 378928, 425648, 585266, 637288, 757856, 851296, 876271, 1170532, 1274576, 1548007, 1752542, 2341064, 2549152, 3096014, 3505084, 4682128, 6192028, 7010168, 9364256, 12384056, 14020336, 17028077, 24768112, 28040672, 34056154, 49536224, 57276259, 68112308, 114552518, 136224616, 229105036, 272449232, 458210072, 544898464, 630038849, 916420144, 1260077698, 1832840288, 2520155396, 5040310792, 10080621584, 20161243168]

約数ペア:

[(1, 20161243168), (2, 10080621584), (4, 5040310792), (8, 2520155396), (11, 1832840288), (16, 1260077698), (22, 916420144), (32, 630038849), (37, 544898464), (44, 458210072), (74, 272449232), (88, 229105036), (148, 136224616), (176, 114552518), (296, 68112308), (352, 57276259), (407, 49536224), (592, 34056154), (719, 28040672), (814, 24768112), (1184, 17028077), (1438, 14020336), (1628, 12384056), (2153, 9364256), (2876, 7010168), (3256, 6192028), (4306, 4682128), (5752, 3505084), (6512, 3096014), (7909, 2549152), (8612, 2341064), (11504, 1752542), (13024, 1548007), (15818, 1274576), (17224, 1170532), (23008, 876271), (23683, 851296), (26603, 757856), (31636, 637288), (34448, 585266), (47366, 425648), (53206, 378928), (63272, 318644), (68896, 292633), (79661, 253088), (94732, 212824), (106412, 189464), (126544, 159322)]