20551497268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{10111}}^1$

素因数の和:10624

約数の個数: 48

約数和(自身を含む): 38712619008

約数和(自身を除く): 18161121740

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 421, 842, 1207, 1684, 2414, 4828, 7157, 10111, 14314, 20222, 28628, 29891, 40444, 59782, 119564, 171887, 343774, 508147, 687548, 717881, 1016294, 1435762, 2032588, 2871524, 4256731, 8513462, 12203977, 17026924, 24407954, 48815908, 72364427, 144728854, 289457708, 302227901, 604455802, 1208911604, 5137874317, 10275748634, 20551497268]

約数ペア:

[(1, 20551497268), (2, 10275748634), (4, 5137874317), (17, 1208911604), (34, 604455802), (68, 302227901), (71, 289457708), (142, 144728854), (284, 72364427), (421, 48815908), (842, 24407954), (1207, 17026924), (1684, 12203977), (2414, 8513462), (4828, 4256731), (7157, 2871524), (10111, 2032588), (14314, 1435762), (20222, 1016294), (28628, 717881), (29891, 687548), (40444, 508147), (59782, 343774), (119564, 171887)]