20809723936

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{4957}}^1\times {\mathrm{7717}}^1$

素因数の和:12701

約数の個数: 48

約数和(自身を含む): 43393467096

約数和(自身を除く): 22583743160

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 4957, 7717, 9914, 15434, 19828, 30868, 39656, 61736, 79312, 84269, 123472, 131189, 158624, 168538, 246944, 262378, 337076, 524756, 674152, 1049512, 1348304, 2099024, 2696608, 4198048, 38253169, 76506338, 153012676, 306025352, 612050704, 650303873, 1224101408, 1300607746, 2601215492, 5202430984, 10404861968, 20809723936]

約数ペア:

[(1, 20809723936), (2, 10404861968), (4, 5202430984), (8, 2601215492), (16, 1300607746), (17, 1224101408), (32, 650303873), (34, 612050704), (68, 306025352), (136, 153012676), (272, 76506338), (544, 38253169), (4957, 4198048), (7717, 2696608), (9914, 2099024), (15434, 1348304), (19828, 1049512), (30868, 674152), (39656, 524756), (61736, 337076), (79312, 262378), (84269, 246944), (123472, 168538), (131189, 158624)]