20185549657

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{1039}}^1\times {\mathrm{4357}}^1$

素因数の和:5430

約数の個数: 32

約数和(自身を含む): 25380992000

約数和(自身を除く): 5195442343

約数列:

[1, 7, 13, 49, 91, 343, 637, 1039, 4357, 4459, 7273, 13507, 30499, 50911, 56641, 94549, 213493, 356377, 396487, 661843, 1494451, 2775409, 4526923, 4632901, 19427863, 31688461, 58849999, 221819227, 411949993, 1552734589, 2883649951, 20185549657]

約数ペア:

[(1, 20185549657), (7, 2883649951), (13, 1552734589), (49, 411949993), (91, 221819227), (343, 58849999), (637, 31688461), (1039, 19427863), (4357, 4632901), (4459, 4526923), (7273, 2775409), (13507, 1494451), (30499, 661843), (50911, 396487), (56641, 356377), (94549, 213493)]