20380832

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 41762952

約数和(自身を除く): 21382120

約数列:

[1, 2, 4, 8, 16, 32, 53, 61, 106, 122, 197, 212, 244, 394, 424, 488, 788, 848, 976, 1576, 1696, 1952, 3152, 3233, 6304, 6466, 10441, 12017, 12932, 20882, 24034, 25864, 41764, 48068, 51728, 83528, 96136, 103456, 167056, 192272, 334112, 384544, 636901, 1273802, 2547604, 5095208, 10190416, 20380832]

約数ペア:

[(1, 20380832), (2, 10190416), (4, 5095208), (8, 2547604), (16, 1273802), (32, 636901), (53, 384544), (61, 334112), (106, 192272), (122, 167056), (197, 103456), (212, 96136), (244, 83528), (394, 51728), (424, 48068), (488, 41764), (788, 25864), (848, 24034), (976, 20882), (1576, 12932), (1696, 12017), (1952, 10441), (3152, 6466), (3233, 6304)]