20466990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11969}}^1$

素因数の和:12001

約数の個数: 48

約数和(自身を含む): 56019600

約数和(自身を除く): 35552610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11969, 23938, 35907, 59845, 71814, 107721, 119690, 179535, 215442, 227411, 359070, 454822, 538605, 682233, 1077210, 1137055, 1364466, 2046699, 2274110, 3411165, 4093398, 6822330, 10233495, 20466990]

約数ペア:

[(1, 20466990), (2, 10233495), (3, 6822330), (5, 4093398), (6, 3411165), (9, 2274110), (10, 2046699), (15, 1364466), (18, 1137055), (19, 1077210), (30, 682233), (38, 538605), (45, 454822), (57, 359070), (90, 227411), (95, 215442), (114, 179535), (171, 119690), (190, 107721), (285, 71814), (342, 59845), (570, 35907), (855, 23938), (1710, 11969)]