20784434848

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{62761}}^1$

素因数の和:62981

約数の個数: 48

約数和(自身を含む): 41754303360

約数和(自身を除く): 20969868512

約数列:

[1, 2, 4, 8, 16, 32, 79, 131, 158, 262, 316, 524, 632, 1048, 1264, 2096, 2528, 4192, 10349, 20698, 41396, 62761, 82792, 125522, 165584, 251044, 331168, 502088, 1004176, 2008352, 4958119, 8221691, 9916238, 16443382, 19832476, 32886764, 39664952, 65773528, 79329904, 131547056, 158659808, 263094112, 649513589, 1299027178, 2598054356, 5196108712, 10392217424, 20784434848]

約数ペア:

[(1, 20784434848), (2, 10392217424), (4, 5196108712), (8, 2598054356), (16, 1299027178), (32, 649513589), (79, 263094112), (131, 158659808), (158, 131547056), (262, 79329904), (316, 65773528), (524, 39664952), (632, 32886764), (1048, 19832476), (1264, 16443382), (2096, 9916238), (2528, 8221691), (4192, 4958119), (10349, 2008352), (20698, 1004176), (41396, 502088), (62761, 331168), (82792, 251044), (125522, 165584)]