20343424700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1721}}^1\times {\mathrm{2749}}^1$

素因数の和:4527

約数の個数: 72

約数和(自身を含む): 45214554000

約数和(自身を除く): 24871129300

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1721, 2150, 2749, 3442, 4300, 5498, 6884, 8605, 10996, 13745, 17210, 27490, 34420, 43025, 54980, 68725, 74003, 86050, 118207, 137450, 148006, 172100, 236414, 274900, 296012, 370015, 472828, 591035, 740030, 1182070, 1480060, 1850075, 2364140, 2955175, 3700150, 4731029, 5910350, 7400300, 9462058, 11820700, 18924116, 23655145, 47310290, 94620580, 118275725, 203434247, 236551450, 406868494, 473102900, 813736988, 1017171235, 2034342470, 4068684940, 5085856175, 10171712350, 20343424700]

約数ペア:

[(1, 20343424700), (2, 10171712350), (4, 5085856175), (5, 4068684940), (10, 2034342470), (20, 1017171235), (25, 813736988), (43, 473102900), (50, 406868494), (86, 236551450), (100, 203434247), (172, 118275725), (215, 94620580), (430, 47310290), (860, 23655145), (1075, 18924116), (1721, 11820700), (2150, 9462058), (2749, 7400300), (3442, 5910350), (4300, 4731029), (5498, 3700150), (6884, 2955175), (8605, 2364140), (10996, 1850075), (13745, 1480060), (17210, 1182070), (27490, 740030), (34420, 591035), (43025, 472828), (54980, 370015), (68725, 296012), (74003, 274900), (86050, 236414), (118207, 172100), (137450, 148006)]