20532460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 46823616

約数和(自身を除く): 26291156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 503, 628, 785, 1006, 1570, 2012, 2041, 2515, 3140, 4082, 5030, 6539, 8164, 10060, 10205, 13078, 20410, 26156, 32695, 40820, 65390, 78971, 130780, 157942, 315884, 394855, 789710, 1026623, 1579420, 2053246, 4106492, 5133115, 10266230, 20532460]

約数ペア:

[(1, 20532460), (2, 10266230), (4, 5133115), (5, 4106492), (10, 2053246), (13, 1579420), (20, 1026623), (26, 789710), (52, 394855), (65, 315884), (130, 157942), (157, 130780), (260, 78971), (314, 65390), (503, 40820), (628, 32695), (785, 26156), (1006, 20410), (1570, 13078), (2012, 10205), (2041, 10060), (2515, 8164), (3140, 6539), (4082, 5030)]