20005821976

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{41011}}^1$

素因数の和:41336

約数の個数: 64

約数和(自身を含む): 44411074560

約数和(自身を除く): 24405252584

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 281, 434, 562, 868, 1124, 1736, 1967, 2248, 3934, 7868, 8711, 15736, 17422, 34844, 41011, 60977, 69688, 82022, 121954, 164044, 243908, 287077, 328088, 487816, 574154, 1148308, 1271341, 2296616, 2542682, 5085364, 8899387, 10170728, 11524091, 17798774, 23048182, 35597548, 46096364, 71195096, 80668637, 92192728, 161337274, 322674548, 357246821, 645349096, 714493642, 1428987284, 2500727747, 2857974568, 5001455494, 10002910988, 20005821976]

約数ペア:

[(1, 20005821976), (2, 10002910988), (4, 5001455494), (7, 2857974568), (8, 2500727747), (14, 1428987284), (28, 714493642), (31, 645349096), (56, 357246821), (62, 322674548), (124, 161337274), (217, 92192728), (248, 80668637), (281, 71195096), (434, 46096364), (562, 35597548), (868, 23048182), (1124, 17798774), (1736, 11524091), (1967, 10170728), (2248, 8899387), (3934, 5085364), (7868, 2542682), (8711, 2296616), (15736, 1271341), (17422, 1148308), (34844, 574154), (41011, 487816), (60977, 328088), (69688, 287077), (82022, 243908), (121954, 164044)]