20276360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38993}}^1$

素因数の和:39017

約数の個数: 32

約数和(自身を含む): 49132440

約数和(自身を除く): 28856080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38993, 77986, 155972, 194965, 311944, 389930, 506909, 779860, 1013818, 1559720, 2027636, 2534545, 4055272, 5069090, 10138180, 20276360]

約数ペア:

[(1, 20276360), (2, 10138180), (4, 5069090), (5, 4055272), (8, 2534545), (10, 2027636), (13, 1559720), (20, 1013818), (26, 779860), (40, 506909), (52, 389930), (65, 311944), (104, 194965), (130, 155972), (260, 77986), (520, 38993)]