20179940792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{48989}}^1$

素因数の和:49188

約数の個数: 64

約数和(自身を含む): 42891724800

約数和(自身を除く): 22711784008

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 151, 248, 302, 341, 604, 682, 1208, 1364, 1661, 2728, 3322, 4681, 6644, 9362, 13288, 18724, 37448, 48989, 51491, 97978, 102982, 195956, 205964, 391912, 411928, 538879, 1077758, 1518659, 2155516, 3037318, 4311032, 6074636, 7397339, 12149272, 14794678, 16705249, 29589356, 33410498, 59178712, 66820996, 81370729, 133641992, 162741458, 229317509, 325482916, 458635018, 650965832, 917270036, 1834540072, 2522492599, 5044985198, 10089970396, 20179940792]

約数ペア:

[(1, 20179940792), (2, 10089970396), (4, 5044985198), (8, 2522492599), (11, 1834540072), (22, 917270036), (31, 650965832), (44, 458635018), (62, 325482916), (88, 229317509), (124, 162741458), (151, 133641992), (248, 81370729), (302, 66820996), (341, 59178712), (604, 33410498), (682, 29589356), (1208, 16705249), (1364, 14794678), (1661, 12149272), (2728, 7397339), (3322, 6074636), (4681, 4311032), (6644, 3037318), (9362, 2155516), (13288, 1518659), (18724, 1077758), (37448, 538879), (48989, 411928), (51491, 391912), (97978, 205964), (102982, 195956)]