20352990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5101}}^1$

素因数の和:5137

約数の個数: 64

約数和(自身を含む): 58775040

約数和(自身を除く): 38422050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5101, 10202, 15303, 25505, 30606, 35707, 51010, 71414, 76515, 96919, 107121, 153030, 178535, 193838, 214242, 290757, 357070, 484595, 535605, 581514, 678433, 969190, 1071210, 1356866, 1453785, 2035299, 2907570, 3392165, 4070598, 6784330, 10176495, 20352990]

約数ペア:

[(1, 20352990), (2, 10176495), (3, 6784330), (5, 4070598), (6, 3392165), (7, 2907570), (10, 2035299), (14, 1453785), (15, 1356866), (19, 1071210), (21, 969190), (30, 678433), (35, 581514), (38, 535605), (42, 484595), (57, 357070), (70, 290757), (95, 214242), (105, 193838), (114, 178535), (133, 153030), (190, 107121), (210, 96919), (266, 76515), (285, 71414), (399, 51010), (570, 35707), (665, 30606), (798, 25505), (1330, 15303), (1995, 10202), (3990, 5101)]