20496330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7853}}^1$

素因数の和:7895

約数の個数: 48

約数和(自身を含む): 55135080

約数和(自身を除く): 34638750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7853, 15706, 23559, 39265, 47118, 70677, 78530, 117795, 141354, 227737, 235590, 353385, 455474, 683211, 706770, 1138685, 1366422, 2049633, 2277370, 3416055, 4099266, 6832110, 10248165, 20496330]

約数ペア:

[(1, 20496330), (2, 10248165), (3, 6832110), (5, 4099266), (6, 3416055), (9, 2277370), (10, 2049633), (15, 1366422), (18, 1138685), (29, 706770), (30, 683211), (45, 455474), (58, 353385), (87, 235590), (90, 227737), (145, 141354), (174, 117795), (261, 78530), (290, 70677), (435, 47118), (522, 39265), (870, 23559), (1305, 15706), (2610, 7853)]