20046506620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{73847}}^1$

素因数の和:74147

約数の個数: 72

約数和(自身を含む): 49148207136

約数和(自身を除く): 29101700516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 277, 490, 554, 980, 1108, 1385, 1939, 2770, 3878, 5540, 7756, 9695, 13573, 19390, 27146, 38780, 54292, 67865, 73847, 135730, 147694, 271460, 295388, 369235, 516929, 738470, 1033858, 1476940, 2067716, 2584645, 3618503, 5169290, 7237006, 10338580, 14474012, 18092515, 20455619, 36185030, 40911238, 72370060, 81822476, 102278095, 143189333, 204556190, 286378666, 409112380, 572757332, 715946665, 1002325331, 1431893330, 2004650662, 2863786660, 4009301324, 5011626655, 10023253310, 20046506620]

約数ペア:

[(1, 20046506620), (2, 10023253310), (4, 5011626655), (5, 4009301324), (7, 2863786660), (10, 2004650662), (14, 1431893330), (20, 1002325331), (28, 715946665), (35, 572757332), (49, 409112380), (70, 286378666), (98, 204556190), (140, 143189333), (196, 102278095), (245, 81822476), (277, 72370060), (490, 40911238), (554, 36185030), (980, 20455619), (1108, 18092515), (1385, 14474012), (1939, 10338580), (2770, 7237006), (3878, 5169290), (5540, 3618503), (7756, 2584645), (9695, 2067716), (13573, 1476940), (19390, 1033858), (27146, 738470), (38780, 516929), (54292, 369235), (67865, 295388), (73847, 271460), (135730, 147694)]