20161869650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{659963}}^1$

素因数の和:660035

約数の個数: 48

約数和(自身を含む): 41245110144

約数和(自身を除く): 21083240494

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 650, 1175, 1222, 2350, 3055, 6110, 15275, 30550, 659963, 1319926, 3299815, 6599630, 8579519, 16499075, 17159038, 31018261, 32998150, 42897595, 62036522, 85795190, 155091305, 214487975, 310182610, 403237393, 428975950, 775456525, 806474786, 1550913050, 2016186965, 4032373930, 10080934825, 20161869650]

約数ペア:

[(1, 20161869650), (2, 10080934825), (5, 4032373930), (10, 2016186965), (13, 1550913050), (25, 806474786), (26, 775456525), (47, 428975950), (50, 403237393), (65, 310182610), (94, 214487975), (130, 155091305), (235, 85795190), (325, 62036522), (470, 42897595), (611, 32998150), (650, 31018261), (1175, 17159038), (1222, 16499075), (2350, 8579519), (3055, 6599630), (6110, 3299815), (15275, 1319926), (30550, 659963)]