20455775415

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1\times {\mathrm{11261}}^1$

素因数の和:12400

約数の個数: 48

約数和(自身を含む): 36451580256

約数和(自身を除く): 15995804841

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1091, 1665, 3273, 5455, 9819, 11261, 16365, 33783, 40367, 49095, 56305, 101349, 121101, 168915, 201835, 363303, 416657, 506745, 605505, 1249971, 1816515, 2083285, 3749913, 6249855, 12285751, 18749565, 36857253, 61428755, 110571759, 184286265, 454572787, 552858795, 1363718361, 2272863935, 4091155083, 6818591805, 20455775415]

約数ペア:

[(1, 20455775415), (3, 6818591805), (5, 4091155083), (9, 2272863935), (15, 1363718361), (37, 552858795), (45, 454572787), (111, 184286265), (185, 110571759), (333, 61428755), (555, 36857253), (1091, 18749565), (1665, 12285751), (3273, 6249855), (5455, 3749913), (9819, 2083285), (11261, 1816515), (16365, 1249971), (33783, 605505), (40367, 506745), (49095, 416657), (56305, 363303), (101349, 201835), (121101, 168915)]