20876820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18313}}^1$

素因数の和:18344

約数の個数: 48

約数和(自身を含む): 61535040

約数和(自身を除く): 40658220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18313, 36626, 54939, 73252, 91565, 109878, 183130, 219756, 274695, 347947, 366260, 549390, 695894, 1043841, 1098780, 1391788, 1739735, 2087682, 3479470, 4175364, 5219205, 6958940, 10438410, 20876820]

約数ペア:

[(1, 20876820), (2, 10438410), (3, 6958940), (4, 5219205), (5, 4175364), (6, 3479470), (10, 2087682), (12, 1739735), (15, 1391788), (19, 1098780), (20, 1043841), (30, 695894), (38, 549390), (57, 366260), (60, 347947), (76, 274695), (95, 219756), (114, 183130), (190, 109878), (228, 91565), (285, 73252), (380, 54939), (570, 36626), (1140, 18313)]