20160921231

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^2$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 34607415024

約数和(自身を除く): 14446493793

約数列:

[1, 3, 9, 11, 17, 33, 37, 51, 99, 111, 153, 187, 333, 407, 561, 569, 629, 1221, 1683, 1707, 1887, 3663, 5121, 5661, 6259, 6919, 9673, 18777, 20757, 21053, 29019, 56331, 62271, 63159, 87057, 106403, 189477, 231583, 319209, 323761, 357901, 694749, 957627, 971283, 1073703, 2084247, 2913849, 3221109, 3561371, 3936911, 5503937, 10684113, 11810733, 11979157, 16511811, 32052339, 35432199, 35937471, 49535433, 60543307, 107812413, 131770727, 181629921, 203645669, 395312181, 544889763, 610937007, 1185936543, 1832811021, 2240102359, 6720307077, 20160921231]

約数ペア:

[(1, 20160921231), (3, 6720307077), (9, 2240102359), (11, 1832811021), (17, 1185936543), (33, 610937007), (37, 544889763), (51, 395312181), (99, 203645669), (111, 181629921), (153, 131770727), (187, 107812413), (333, 60543307), (407, 49535433), (561, 35937471), (569, 35432199), (629, 32052339), (1221, 16511811), (1683, 11979157), (1707, 11810733), (1887, 10684113), (3663, 5503937), (5121, 3936911), (5661, 3561371), (6259, 3221109), (6919, 2913849), (9673, 2084247), (18777, 1073703), (20757, 971283), (21053, 957627), (29019, 694749), (56331, 357901), (62271, 323761), (63159, 319209), (87057, 231583), (106403, 189477)]