20147768

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 19198792

約数列:

[1, 2, 4, 8, 31, 62, 124, 137, 248, 274, 548, 593, 1096, 1186, 2372, 4247, 4744, 8494, 16988, 18383, 33976, 36766, 73532, 81241, 147064, 162482, 324964, 649928, 2518471, 5036942, 10073884, 20147768]

約数ペア:

[(1, 20147768), (2, 10073884), (4, 5036942), (8, 2518471), (31, 649928), (62, 324964), (124, 162482), (137, 147064), (248, 81241), (274, 73532), (548, 36766), (593, 33976), (1096, 18383), (1186, 16988), (2372, 8494), (4247, 4744)]