20137095

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2432

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 20197017

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2393, 2805, 7179, 8415, 11965, 21537, 26323, 35895, 40681, 78969, 107685, 122043, 131615, 203405, 236907, 366129, 394845, 447491, 610215, 1184535, 1342473, 1830645, 2237455, 4027419, 6712365, 20137095]

約数ペア:

[(1, 20137095), (3, 6712365), (5, 4027419), (9, 2237455), (11, 1830645), (15, 1342473), (17, 1184535), (33, 610215), (45, 447491), (51, 394845), (55, 366129), (85, 236907), (99, 203405), (153, 131615), (165, 122043), (187, 107685), (255, 78969), (495, 40681), (561, 35895), (765, 26323), (935, 21537), (1683, 11965), (2393, 8415), (2805, 7179)]