20509890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1483}}^1$

素因数の和:1954

約数の個数: 32

約数和(自身を含む): 49363776

約数和(自身を除く): 28853886

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 461, 922, 1383, 1483, 2305, 2766, 2966, 4449, 4610, 6915, 7415, 8898, 13830, 14830, 22245, 44490, 683663, 1367326, 2050989, 3418315, 4101978, 6836630, 10254945, 20509890]

約数ペア:

[(1, 20509890), (2, 10254945), (3, 6836630), (5, 4101978), (6, 3418315), (10, 2050989), (15, 1367326), (30, 683663), (461, 44490), (922, 22245), (1383, 14830), (1483, 13830), (2305, 8898), (2766, 7415), (2966, 6915), (4449, 4610)]