20776756

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5189}}^1$

素因数の和:5224

約数の個数: 48

約数和(自身を含む): 48827520

約数和(自身を除く): 28050764

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5189, 10378, 20756, 36323, 57079, 67457, 72646, 114158, 134914, 145292, 228316, 269828, 399553, 472199, 742027, 799106, 944398, 1484054, 1598212, 1888796, 2968108, 5194189, 10388378, 20776756]

約数ペア:

[(1, 20776756), (2, 10388378), (4, 5194189), (7, 2968108), (11, 1888796), (13, 1598212), (14, 1484054), (22, 944398), (26, 799106), (28, 742027), (44, 472199), (52, 399553), (77, 269828), (91, 228316), (143, 145292), (154, 134914), (182, 114158), (286, 72646), (308, 67457), (364, 57079), (572, 36323), (1001, 20756), (2002, 10378), (4004, 5189)]