20809224

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1924

約数の個数: 80

約数和(自身を含む): 61746300

約数和(自身を除く): 40937076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 306, 324, 408, 459, 612, 648, 918, 1224, 1377, 1836, 1889, 2754, 3672, 3778, 5508, 5667, 7556, 11016, 11334, 15112, 17001, 22668, 32113, 34002, 45336, 51003, 64226, 68004, 96339, 102006, 128452, 136008, 153009, 192678, 204012, 256904, 289017, 306018, 385356, 408024, 578034, 612036, 770712, 867051, 1156068, 1224072, 1734102, 2312136, 2601153, 3468204, 5202306, 6936408, 10404612, 20809224]

約数ペア:

[(1, 20809224), (2, 10404612), (3, 6936408), (4, 5202306), (6, 3468204), (8, 2601153), (9, 2312136), (12, 1734102), (17, 1224072), (18, 1156068), (24, 867051), (27, 770712), (34, 612036), (36, 578034), (51, 408024), (54, 385356), (68, 306018), (72, 289017), (81, 256904), (102, 204012), (108, 192678), (136, 153009), (153, 136008), (162, 128452), (204, 102006), (216, 96339), (306, 68004), (324, 64226), (408, 51003), (459, 45336), (612, 34002), (648, 32113), (918, 22668), (1224, 17001), (1377, 15112), (1836, 11334), (1889, 11016), (2754, 7556), (3672, 5667), (3778, 5508)]