20123571474

素因数分解:

$2^1\times 3^4\times {\mathrm{487}}^1\times {\mathrm{255071}}^1$

素因数の和:255572

約数の個数: 40

約数和(自身を含む): 45184474368

約数和(自身を除く): 25060902894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 487, 974, 1461, 2922, 4383, 8766, 13149, 26298, 39447, 78894, 255071, 510142, 765213, 1530426, 2295639, 4591278, 6886917, 13773834, 20660751, 41321502, 124219577, 248439154, 372658731, 745317462, 1117976193, 2235952386, 3353928579, 6707857158, 10061785737, 20123571474]

約数ペア:

[(1, 20123571474), (2, 10061785737), (3, 6707857158), (6, 3353928579), (9, 2235952386), (18, 1117976193), (27, 745317462), (54, 372658731), (81, 248439154), (162, 124219577), (487, 41321502), (974, 20660751), (1461, 13773834), (2922, 6886917), (4383, 4591278), (8766, 2295639), (13149, 1530426), (26298, 765213), (39447, 510142), (78894, 255071)]