20105257312

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1136147}}^1$

素因数の和:1136243

約数の個数: 48

約数和(自身を含む): 45809487360

約数和(自身を除く): 25704230048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1264, 2212, 2528, 4424, 8848, 17696, 1136147, 2272294, 4544588, 7953029, 9089176, 15906058, 18178352, 31812116, 36356704, 63624232, 89755613, 127248464, 179511226, 254496928, 359022452, 628289291, 718044904, 1256578582, 1436089808, 2513157164, 2872179616, 5026314328, 10052628656, 20105257312]

約数ペア:

[(1, 20105257312), (2, 10052628656), (4, 5026314328), (7, 2872179616), (8, 2513157164), (14, 1436089808), (16, 1256578582), (28, 718044904), (32, 628289291), (56, 359022452), (79, 254496928), (112, 179511226), (158, 127248464), (224, 89755613), (316, 63624232), (553, 36356704), (632, 31812116), (1106, 18178352), (1264, 15906058), (2212, 9089176), (2528, 7953029), (4424, 4544588), (8848, 2272294), (17696, 1136147)]