20243338160

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{401017}}^1$

素因数の和:401661

約数の個数: 40

約数和(自身を含む): 47140467936

約数和(自身を除く): 26897129776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 2524, 3155, 5048, 6310, 10096, 12620, 25240, 50480, 401017, 802034, 1604068, 2005085, 3208136, 4010170, 6416272, 8020340, 16040680, 32081360, 253041727, 506083454, 1012166908, 1265208635, 2024333816, 2530417270, 4048667632, 5060834540, 10121669080, 20243338160]

約数ペア:

[(1, 20243338160), (2, 10121669080), (4, 5060834540), (5, 4048667632), (8, 2530417270), (10, 2024333816), (16, 1265208635), (20, 1012166908), (40, 506083454), (80, 253041727), (631, 32081360), (1262, 16040680), (2524, 8020340), (3155, 6416272), (5048, 4010170), (6310, 3208136), (10096, 2005085), (12620, 1604068), (25240, 802034), (50480, 401017)]