22473620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 52418520

約数和(自身を除く): 29944900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 109, 122, 130, 169, 218, 244, 260, 305, 338, 436, 545, 610, 676, 793, 845, 1090, 1220, 1417, 1586, 1690, 2180, 2834, 3172, 3380, 3965, 5668, 6649, 7085, 7930, 10309, 13298, 14170, 15860, 18421, 20618, 26596, 28340, 33245, 36842, 41236, 51545, 66490, 73684, 86437, 92105, 103090, 132980, 172874, 184210, 206180, 345748, 368420, 432185, 864370, 1123681, 1728740, 2247362, 4494724, 5618405, 11236810, 22473620]

約数ペア:

[(1, 22473620), (2, 11236810), (4, 5618405), (5, 4494724), (10, 2247362), (13, 1728740), (20, 1123681), (26, 864370), (52, 432185), (61, 368420), (65, 345748), (109, 206180), (122, 184210), (130, 172874), (169, 132980), (218, 103090), (244, 92105), (260, 86437), (305, 73684), (338, 66490), (436, 51545), (545, 41236), (610, 36842), (676, 33245), (793, 28340), (845, 26596), (1090, 20618), (1220, 18421), (1417, 15860), (1586, 14170), (1690, 13298), (2180, 10309), (2834, 7930), (3172, 7085), (3380, 6649), (3965, 5668)]