20407548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 59609088

約数和(自身を除く): 39201540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 51, 62, 68, 84, 93, 102, 119, 124, 186, 204, 217, 238, 357, 372, 434, 461, 476, 527, 651, 714, 868, 922, 1054, 1302, 1383, 1428, 1581, 1844, 2108, 2604, 2766, 3162, 3227, 3689, 5532, 6324, 6454, 7378, 7837, 9681, 11067, 12908, 14291, 14756, 15674, 19362, 22134, 23511, 28582, 31348, 38724, 42873, 44268, 47022, 54859, 57164, 85746, 94044, 100037, 109718, 164577, 171492, 200074, 219436, 242947, 300111, 329154, 400148, 485894, 600222, 658308, 728841, 971788, 1200444, 1457682, 1700629, 2915364, 3401258, 5101887, 6802516, 10203774, 20407548]

約数ペア:

[(1, 20407548), (2, 10203774), (3, 6802516), (4, 5101887), (6, 3401258), (7, 2915364), (12, 1700629), (14, 1457682), (17, 1200444), (21, 971788), (28, 728841), (31, 658308), (34, 600222), (42, 485894), (51, 400148), (62, 329154), (68, 300111), (84, 242947), (93, 219436), (102, 200074), (119, 171492), (124, 164577), (186, 109718), (204, 100037), (217, 94044), (238, 85746), (357, 57164), (372, 54859), (434, 47022), (461, 44268), (476, 42873), (527, 38724), (651, 31348), (714, 28582), (868, 23511), (922, 22134), (1054, 19362), (1302, 15674), (1383, 14756), (1428, 14291), (1581, 12908), (1844, 11067), (2108, 9681), (2604, 7837), (2766, 7378), (3162, 6454), (3227, 6324), (3689, 5532)]