20121571330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1\times {\mathrm{8009}}^1$

素因数の和:9931

約数の個数: 64

約数和(自身を含む): 43600032000

約数和(自身を除く): 23478460670

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 1889, 3778, 8009, 9445, 13223, 16018, 18890, 26446, 35891, 40045, 56063, 66115, 71782, 80090, 112126, 132230, 152171, 179455, 251237, 280315, 304342, 358910, 502474, 560630, 760855, 1065197, 1256185, 1521710, 2130394, 2512370, 5325985, 10651970, 15129001, 30258002, 75645005, 105903007, 151290010, 211806014, 287451019, 529515035, 574902038, 1059030070, 1437255095, 2012157133, 2874510190, 4024314266, 10060785665, 20121571330]

約数ペア:

[(1, 20121571330), (2, 10060785665), (5, 4024314266), (7, 2874510190), (10, 2012157133), (14, 1437255095), (19, 1059030070), (35, 574902038), (38, 529515035), (70, 287451019), (95, 211806014), (133, 151290010), (190, 105903007), (266, 75645005), (665, 30258002), (1330, 15129001), (1889, 10651970), (3778, 5325985), (8009, 2512370), (9445, 2130394), (13223, 1521710), (16018, 1256185), (18890, 1065197), (26446, 760855), (35891, 560630), (40045, 502474), (56063, 358910), (66115, 304342), (71782, 280315), (80090, 251237), (112126, 179455), (132230, 152171)]