20402820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37783}}^1$

素因数の和:37801

約数の個数: 48

約数和(自身を含む): 63477120

約数和(自身を除く): 43074300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37783, 75566, 113349, 151132, 188915, 226698, 340047, 377830, 453396, 566745, 680094, 755660, 1020141, 1133490, 1360188, 1700235, 2040282, 2266980, 3400470, 4080564, 5100705, 6800940, 10201410, 20402820]

約数ペア:

[(1, 20402820), (2, 10201410), (3, 6800940), (4, 5100705), (5, 4080564), (6, 3400470), (9, 2266980), (10, 2040282), (12, 1700235), (15, 1360188), (18, 1133490), (20, 1020141), (27, 755660), (30, 680094), (36, 566745), (45, 453396), (54, 377830), (60, 340047), (90, 226698), (108, 188915), (135, 151132), (180, 113349), (270, 75566), (540, 37783)]