20173877875

素因数分解:

$5^3\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{4297}}^1$

素因数の和:4429

約数の個数: 48

約数和(自身を含む): 26696150208

約数和(自身を除く): 6522272333

約数列:

[1, 5, 23, 25, 71, 115, 125, 355, 529, 575, 1633, 1775, 2645, 2875, 4297, 8165, 8875, 13225, 21485, 37559, 40825, 66125, 98831, 107425, 187795, 204125, 305087, 494155, 537125, 938975, 1525435, 2273113, 2470775, 4694875, 7017001, 7627175, 11365565, 12353875, 35085005, 38135875, 56827825, 161391023, 175425025, 284139125, 806955115, 877125125, 4034775575, 20173877875]

約数ペア:

[(1, 20173877875), (5, 4034775575), (23, 877125125), (25, 806955115), (71, 284139125), (115, 175425025), (125, 161391023), (355, 56827825), (529, 38135875), (575, 35085005), (1633, 12353875), (1775, 11365565), (2645, 7627175), (2875, 7017001), (4297, 4694875), (8165, 2470775), (8875, 2273113), (13225, 1525435), (21485, 938975), (37559, 537125), (40825, 494155), (66125, 305087), (98831, 204125), (107425, 187795)]