20966122240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2339969}}^1$

素因数の和:2339997

約数の個数: 72

約数和(自身を含む): 57394784160

約数和(自身を除く): 36428661920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 2339969, 4679938, 9359876, 11699845, 16379783, 18719752, 23399690, 32759566, 37439504, 46799380, 65519132, 74879008, 81898915, 93598760, 131038264, 149758016, 163797830, 187197520, 262076528, 299516032, 327595660, 374395040, 524153056, 599032064, 655191320, 748790080, 1048306112, 1310382640, 1497580160, 2096612224, 2620765280, 2995160320, 4193224448, 5241530560, 10483061120, 20966122240]

約数ペア:

[(1, 20966122240), (2, 10483061120), (4, 5241530560), (5, 4193224448), (7, 2995160320), (8, 2620765280), (10, 2096612224), (14, 1497580160), (16, 1310382640), (20, 1048306112), (28, 748790080), (32, 655191320), (35, 599032064), (40, 524153056), (56, 374395040), (64, 327595660), (70, 299516032), (80, 262076528), (112, 187197520), (128, 163797830), (140, 149758016), (160, 131038264), (224, 93598760), (256, 81898915), (280, 74879008), (320, 65519132), (448, 46799380), (560, 37439504), (640, 32759566), (896, 23399690), (1120, 18719752), (1280, 16379783), (1792, 11699845), (2240, 9359876), (4480, 4679938), (8960, 2339969)]