20486910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7673}}^1$

素因数の和:7772

約数の個数: 32

約数和(自身を含む): 49727520

約数和(自身を除く): 29240610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7673, 15346, 23019, 38365, 46038, 76730, 115095, 230190, 682897, 1365794, 2048691, 3414485, 4097382, 6828970, 10243455, 20486910]

約数ペア:

[(1, 20486910), (2, 10243455), (3, 6828970), (5, 4097382), (6, 3414485), (10, 2048691), (15, 1365794), (30, 682897), (89, 230190), (178, 115095), (267, 76730), (445, 46038), (534, 38365), (890, 23019), (1335, 15346), (2670, 7673)]