20121747520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8982923}}^1$

素因数の和:8982947

約数の個数: 56

約数和(自身を含む): 54759904704

約数和(自身を除く): 34638157184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8982923, 17965846, 35931692, 44914615, 62880461, 71863384, 89829230, 125760922, 143726768, 179658460, 251521844, 287453536, 314402305, 359316920, 503043688, 574907072, 628804610, 718633840, 1006087376, 1257609220, 1437267680, 2012174752, 2515218440, 2874535360, 4024349504, 5030436880, 10060873760, 20121747520]

約数ペア:

[(1, 20121747520), (2, 10060873760), (4, 5030436880), (5, 4024349504), (7, 2874535360), (8, 2515218440), (10, 2012174752), (14, 1437267680), (16, 1257609220), (20, 1006087376), (28, 718633840), (32, 628804610), (35, 574907072), (40, 503043688), (56, 359316920), (64, 314402305), (70, 287453536), (80, 251521844), (112, 179658460), (140, 143726768), (160, 125760922), (224, 89829230), (280, 71863384), (320, 62880461), (448, 44914615), (560, 35931692), (1120, 17965846), (2240, 8982923)]