20057450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3371}}^1$

素因数の和:3407

約数の個数: 48

約数和(自身を含む): 45157824

約数和(自身を除く): 25100374

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3371, 5950, 6742, 16855, 23597, 33710, 47194, 57307, 84275, 114614, 117985, 168550, 235970, 286535, 401149, 573070, 589925, 802298, 1179850, 1432675, 2005745, 2865350, 4011490, 10028725, 20057450]

約数ペア:

[(1, 20057450), (2, 10028725), (5, 4011490), (7, 2865350), (10, 2005745), (14, 1432675), (17, 1179850), (25, 802298), (34, 589925), (35, 573070), (50, 401149), (70, 286535), (85, 235970), (119, 168550), (170, 117985), (175, 114614), (238, 84275), (350, 57307), (425, 47194), (595, 33710), (850, 23597), (1190, 16855), (2975, 6742), (3371, 5950)]