20496493185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{6571}}^1$

素因数の和:7134

約数の個数: 64

約数和(自身を含む): 38177746944

約数和(自身を除く): 17681253759

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 487, 915, 1281, 1461, 2135, 2435, 3409, 6405, 6571, 7305, 10227, 17045, 19713, 29707, 32855, 45997, 51135, 89121, 98565, 137991, 148535, 207949, 229985, 400831, 445605, 623847, 689955, 1039745, 1202493, 2004155, 2805817, 3119235, 3200077, 6012465, 8417451, 9600231, 14029085, 16000385, 22400539, 42087255, 48001155, 67201617, 112002695, 195204697, 336008085, 585614091, 976023485, 1366432879, 2928070455, 4099298637, 6832164395, 20496493185]

約数ペア:

[(1, 20496493185), (3, 6832164395), (5, 4099298637), (7, 2928070455), (15, 1366432879), (21, 976023485), (35, 585614091), (61, 336008085), (105, 195204697), (183, 112002695), (305, 67201617), (427, 48001155), (487, 42087255), (915, 22400539), (1281, 16000385), (1461, 14029085), (2135, 9600231), (2435, 8417451), (3409, 6012465), (6405, 3200077), (6571, 3119235), (7305, 2805817), (10227, 2004155), (17045, 1202493), (19713, 1039745), (29707, 689955), (32855, 623847), (45997, 445605), (51135, 400831), (89121, 229985), (98565, 207949), (137991, 148535)]